Leonard Emanuel Parker, PhD - Publications

Affiliations: 
1968- University of Wisconsin-Milwaukee, Milwaukee, WI 
Area:
Astrophysics and Cosmology
Website:
https://uwm.edu/physics/people/parker-leonard/

108 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2019 Bose S, Parker L, Peleg Y. Hawking radiation and unitary evolution. Physical Review Letters. 76: 861-864. PMID 10061570 DOI: 10.1103/Physrevlett.76.861  0.57
2019 Bose S, Parker L, Peleg Y. Validity of the semiclassical approximation and back reaction. Physical Review. D, Particles and Fields. 53: 7089-7093. PMID 10019996 DOI: 10.1103/Physrevd.53.7089  0.398
2019 Bose S, Louko J, Parker L, Peleg Y. Hamiltonian thermodynamics of two-dimensional vacuum dilatonic black holes. Physical Review. D, Particles and Fields. 53: 5708-5716. PMID 10019855 DOI: 10.1103/Physrevd.53.5708  0.4
2019 Bose S, Parker L, Peleg Y. Semi-infinite throat as the end-state geometry of two-dimensional black hole evaporation. Physical Review. D, Particles and Fields. 52: 3512-3517. PMID 10019575 DOI: 10.1103/Physrevd.52.3512  0.421
2019 Parker L, Zhang Y. Cosmological perturbations of a relativistic condensate. Physical Review. D, Particles and Fields. 51: 2703-2712. PMID 10018742 DOI: 10.1103/Physrevd.51.2703  0.46
2019 Parker L, Zhang Y. Relativistic condensate as a source for inflation. Physical Review. D, Particles and Fields. 47: 416-420. PMID 10015596 DOI: 10.1103/Physrevd.47.416  0.457
2019 Parker L, Zhang Y. Ultrarelativistic Bose-Einstein condensation in the Einstein universe and energy conditions. Physical Review. D, Particles and Fields. 44: 2421-2431. PMID 10014123 DOI: 10.1103/Physrevd.44.2421  0.381
2019 Higuchi A, Parker L, Wang Y. Consistency of Faddeev-Popov ghost statistics with gravitationally induced pair creation. Physical Review. D, Particles and Fields. 42: 4078-4081. PMID 10012819 DOI: 10.1103/Physrevd.42.4078  0.399
2019 Calzetta E, Jack I, Parker L. Erratum: Quantum gauge fields at high curvature Physical Review. D, Particles and Fields. 34: 1235. PMID 9971968 DOI: 10.1103/Physrevd.34.1235.3  0.37
2019 Parker L, Wang Y. Statistics from dynamics in curved spacetime. Physical Review. D, Particles and Fields. 39: 3596-3605. PMID 9959618 DOI: 10.1103/Physrevd.39.3596  0.332
2019 Higuchi A, Parker L. Aspects of QED and non-Abelian gauge theories in S1 Physical Review. D, Particles and Fields. 37: 2853-2871. PMID 9958561 DOI: 10.1103/Physrevd.37.2853  0.411
2019 Anderson PR, Parker L. Adiabatic regularization in closed Robertson-Walker universes. Physical Review. D, Particles and Fields. 36: 2963-2969. PMID 9958061 DOI: 10.1103/Physrevd.36.2963  0.425
2019 Calzetta E, Jack I, Parker L. Quantum gauge fields at high curvature. Physical Review. D, Particles and Fields. 33: 953-977. PMID 9956715 DOI: 10.1103/Physrevd.33.953  0.457
2019 Parker L, Toms DJ. Renormalization group and nonlocal terms in the curved-spacetime effective action: Weak-field results. Physical Review. D, Particles and Fields. 32: 1409-1420. PMID 9956296 DOI: 10.1103/Physrevd.32.1409  0.408
2019 Parker L, Toms DJ. New form for the coincidence limit of the Feynman propagator, or heat kernel, in curved spacetime. Physical Review. D, Particles and Fields. 31: 953-956. PMID 9955784 DOI: 10.1103/Physrevd.31.953  0.329
2019 Jack I, Parker L. Proof of summed form of proper-time expansion for propagator in curved space-time. Physical Review. D, Particles and Fields. 31: 2439-2451. PMID 9955540 DOI: 10.1103/Physrevd.31.2439  0.372
2019 Parker L, Toms DJ. Explicit curvature dependence of coupling constants. Physical Review. D, Particles and Fields. 31: 2424-2438. PMID 9955539 DOI: 10.1103/Physrevd.31.2424  0.46
2015 Parker L. Creation of quantized particles, gravitons, and scalar perturbations by the expanding universe Journal of Physics: Conference Series. 600. DOI: 10.1088/1742-6596/600/1/012001  0.426
2012 Parker L. Particle creation and particle number in an expanding universe Journal of Physics A. 45: 374023. DOI: 10.1088/1751-8113/45/37/374023  0.394
2012 Agullo I, Navarro-Salas J, Parker L. Enhanced local-type inflationary trispectrum from a non-vacuum initial state Journal of Cosmology and Astroparticle Physics. 2012: 019-019. DOI: 10.1088/1475-7516/2012/05/019  0.767
2011 Agullo I, Parker L. Stimulated creation of quanta during inflation and the observable universe International Journal of Modern Physics D. 20: 2861. DOI: 10.1142/S0218271811020731  0.744
2011 Huang X, Parker L. Clarifying some remaining questions in the anomaly puzzle European Physical Journal C. 71: 1570. DOI: 10.1140/Epjc/S10052-011-1570-0  0.391
2011 Agullo I, Navarro-Salas J, Olmo GJ, Parker L. Remarks on the renormalization of primordial cosmological perturbations Physical Review D. 84. DOI: 10.1103/Physrevd.84.107304  0.768
2011 Agullo I, Parker L. Non-Gaussianities and the stimulated creation of quanta in the inflationary universe Physical Review D. 83: 063526. DOI: 10.1103/Physrevd.83.063526  0.728
2010 Agullo I, Navarro-Salas J, Olmo GJ, Parker L. Hawking radiation by Kerr black holes and conformal symmetry. Physical Review Letters. 105: 211305. PMID 21231287 DOI: 10.1103/Physrevlett.105.211305  0.786
2010 Agulló I, Navarro-Salas J, Olmo GJ, Parker L. Reply to “Comment on ‘Insensitivity of Hawking radiation to an invariant Planck-scale cutoff’ ” Physical Review D. 81. DOI: 10.1103/Physrevd.81.108502  0.796
2010 Agulló I, Navarro-Salas J, Olmo GJ, Parker L. Revising the observable consequences of slow-roll inflation Physical Review D. 81. DOI: 10.1103/Physrevd.81.043514  0.73
2010 Agulló I, Navarro-Salas J, Olmo GJ, Parker L. Inflation, renormalization, and CMB anisotropies Journal of Physics: Conference Series. 229: 012058. DOI: 10.1088/1742-6596/229/1/012058  0.587
2010 Agullo I, Navarro-Salas J, Olmo GJ, Parker L. Acceleration radiation, transition probabilities and trans-Planckian physics New Journal of Physics. 12: 095017. DOI: 10.1088/1367-2630/12/9/095017  0.791
2009 Agulló I, Navarro-Salas J, Olmo GJ, Parker L. Revising the predictions of inflation for the cosmic microwave background anisotropies. Physical Review Letters. 103: 061301. PMID 19792548 DOI: 10.1103/Physrevlett.103.061301  0.776
2009 Glenz MM, Parker L. Study of the spectrum of inflaton perturbations Physical Review D. 80: 63534. DOI: 10.1103/Physrevd.80.063534  0.779
2009 Agulló I, Navarro-Salas J, Olmo GJ, Parker L. Insensitivity of Hawking radiation to an invariant Planck-scale cutoff Physical Review D. 80. DOI: 10.1103/Physrevd.80.047503  0.802
2009 Huang X, Parker L. Hermiticity of the Dirac Hamiltonian in curved spacetime Physical Review D. 79: 24020. DOI: 10.1103/Physrevd.79.024020  0.384
2009 Agulló I, Navarro-Salas J, Olmo GJ, Parker L. Inflation, quantum fields, and CMB anisotropies General Relativity and Gravitation. 41: 2301-2306. DOI: 10.1007/s10714-009-0850-6 10.1142/S0218271809016144  0.608
2009 Agulló I, Navarro-Salas J, Olmo GJ, Parker L. Inflation, quantum fields, and CMB anisotropies General Relativity and Gravitation. 41: 2301-2306. DOI: 10.1007/S10714-009-0850-6  0.789
2008 Agulló I, Navarro-Salas J, Olmo GJ, Parker L. Reexamination of the power spectrum in de Sitter inflation. Physical Review Letters. 101: 171301. PMID 18999735 DOI: 10.1103/Physrevlett.101.171301  0.796
2008 AGULLÓ I, NAVARRO-SALAS J, OLMO GJ, PARKER L. THE ROLE OF THE PLANCK SCALE IN BLACK HOLE RADIANCE International Journal of Modern Physics D. 17: 489-494. DOI: 10.1142/S0218271808012152  0.79
2008 Agulló I, Navarro-Salas J, Olmo GJ, Parker L. Two-point functions with an invariant Planck scale and thermal effects Physical Review D. 77. DOI: 10.1103/Physrevd.77.124032  0.79
2008 Agulló I, Navarro-Salas J, Olmo GJ, Parker L. Acceleration radiation and the Planck scale Physical Review D. 77: 104034. DOI: 10.1103/Physrevd.77.104034  0.797
2007 Agulló I, Navarro-Salas J, Olmo GJ, Parker L. Short-distance contribution to the spectrum of Hawking radiation Physical Review D. 76. DOI: 10.1103/Physrevd.76.044018  0.688
2007 Anchordoqui LA, Glenz MM, Parker L. Black holes at the IceCube neutrino telescope Physical Review D - Particles, Fields, Gravitation and Cosmology. 75. DOI: 10.1103/Physrevd.75.024011  0.78
2006 Caldwell RR, Komp W, Parker L, Vanzella DAT. Sudden gravitational transition Physical Review D - Particles, Fields, Gravitation and Cosmology. 73. DOI: 10.1103/Physrevd.73.023513  0.765
2004 Parker L, Vanzella DAT. Acceleration of the universe, vacuum metamorphosis, and the large-time asymptotic form of the heat kernel Physical Review D. 69: 104009. DOI: 10.1103/Physrevd.69.104009  0.478
2003 Parker L, Raval A. Erratum: New quantum aspects of a vacuum-dominated universe [Phys. Rev. D 62, 083503 (2000)] Physical Review D. 67: 29903. DOI: 10.1103/Physrevd.67.029903  0.314
2003 Parker L, Raval A. Erratum: Nonperturbative effects of vacuum energy on the recent expansion of the universe [Phys. Rev. D 60, 063512 (1999)] Physical Review D. 67: 29901. DOI: 10.1103/Physrevd.67.029901  0.312
2003 Parker L, Komp W, Vanzella DAT. Cosmological Acceleration through Transition to Constant Scalar Curvature The Astrophysical Journal. 588: 663-673. DOI: 10.1086/374265  0.772
2001 Parker L, Raval A. A new look at the accelerating universe. Physical Review Letters. 86: 749-752. PMID 11177931 DOI: 10.1103/Physrevlett.86.749  0.421
2000 Parker L, Raval A. New quantum aspects of a vacuum-dominated universe Physical Review D. 62: 83503. DOI: 10.1103/Physrevd.62.083503  0.469
1999 Winters-Hilt S, Redmount IH, Parker L. Physical distinction among alternative vacuum states in flat spacetime geometries Physical Review D. 60: 124017. DOI: 10.1103/Physrevd.60.124017  0.329
1999 Parker L, Raval A. Vacuum effects of an ultralow mass particle account for the recent acceleration of the universe Physical Review D. 60: 123502. DOI: 10.1103/PhysRevD.60.123502 10.1103/PhysRevD.67.029902  0.404
1999 Parker L, Raval A. Nonperturbative effects of vacuum energy on the recent expansion of the universe Physical Review D. 60: 63512. DOI: 10.1103/Physrevd.60.063512  0.506
1998 Parker L, Raval A. Relation between Einstein and quantum field equations Physical Review D. 57: 7327-7339. DOI: 10.1103/Physrevd.57.7327  0.421
1997 Bose S, Parker L, Peleg Y. Lorentzian approach to black hole thermodynamics in the Hamiltonian formulation Physical Review D. 56: 987-1000. DOI: 10.1103/Physrevd.56.987  0.599
1997 Parker L, Vollick D, Redmount I. Atomic spectra in the gravitational field of a collapsing prolate spheroid Physical Review D. 56: 2113-2117. DOI: 10.1103/Physrevd.56.2113  0.351
1997 Peleg Y, Bose S, Parker L. Choptuik scaling and quantum effects in 2D dilaton gravity Physical Review D. 55. DOI: 10.1103/Physrevd.55.R4525  0.41
1996 Bose S, Parker L, Peleg Y. Predictability and semiclassical approximation at the onset of black hole formation Physical Review D. 54: 7490-7505. DOI: 10.1103/Physrevd.54.7490  0.601
1993 Parker L, Simon JZ. Einstein equation with quantum corrections reduced to second order. Physical Review D: Particles and Fields. 47: 1339-1355. PMID 10015710 DOI: 10.1103/Physrevd.47.1339  0.33
1990 Higuchi A, Parker L. Quantum Soliton In Qed In S1 × R2 Spacetime International Journal of Modern Physics A. 5: 2251-2263. DOI: 10.1142/S0217751X90001033  0.352
1989 Parker L. Gravitons from anomalous decay International Journal of Theoretical Physics. 28: 1163-1167. DOI: 10.1007/Bf00670356  0.371
1988 Friedman JL, Imamura JN, Durisen RH, Parker L. Constraints on the equation of state for neutron stars implied by PSR1957 + 20 Nature. 336: 560-562. DOI: 10.1038/336560A0  0.326
1988 Friedman JL, Papastamatiou N, Parker L, Zhang H. Non-orientable foam and an effective planck mass for point-like fermions Nuclear Physics, Section B. 309: 533-551. DOI: 10.1016/0550-3213(88)90457-9  0.377
1987 Parker L. Gravitational particle production in the formation of cosmic strings Physical Review Letters. 59: 1369-1372. DOI: 10.1103/Physrevlett.59.1369  0.402
1987 Jack I, Parker L. Linear independence of renormalization counterterms in curved space-times of arbitrary dimensionality Journal of Mathematical Physics. 28: 1137-1139. DOI: 10.1063/1.527559  0.405
1984 Parker L, Toms DJ. Effective Couplings of Grand Unified Theories in Curved Space-time Physical Review Letters. 52: 1269-1271. DOI: 10.1103/Physrevlett.52.1269  0.383
1984 Parker L, Toms DJ. Renormalization Group Analysis of Grand Unified Theories in Curved Space-time Physical Review D. 29: 1584-1608. DOI: 10.1103/Physrevd.29.1584  0.41
1984 Friedman JL, Ipser JR, Parker L. Models of rapidly rotating neutron stars Nature. 312: 255-257. DOI: 10.1038/312255A0  0.346
1984 Parker L. Curvature dependence of renormalized coupling constants Foundations of Physics. 14: 1121-1129. DOI: 10.1007/Bf01882493  0.358
1983 Parker L. Cosmological Constant and Absence of Particle Creation Physical Review Letters. 50: 1009-1012. DOI: 10.1103/Physrevlett.50.1009  0.361
1983 Leen TK, Parker L, Pimentel LO. Remote quantum mechanical detection of gravitational radiation General Relativity and Gravitation. 15: 761-776. DOI: 10.1007/Bf01031883  0.392
1982 Parker L, Pimentel LO. Gravitational perturbation of the hydrogen spectrum Physical Review D. 25: 3180-3190. DOI: 10.1103/Physrevd.25.3180  0.305
1981 Parker L. Self-forces and atoms in gravitational fields Physical Review D. 24: 535-537. DOI: 10.1103/Physrevd.24.535  0.335
1981 Parker L. Baryon-to-entropy ratio and initial conditions of the Universe Physical Review D. 24: 1049-1052. DOI: 10.1103/Physrevd.24.1049  0.412
1981 Bekenstein JD, Parker L. Path-integral evaluation of Feynman propagator in curved spacetime Physical Review D. 23: 2850-2869. DOI: 10.1103/Physrevd.23.2850  0.389
1981 Parker L. The atom as a probe of curved space-time General Relativity and Gravitation. 13: 307-311. DOI: 10.1007/Bf01025466  0.348
1980 Parker L. One-Electron Atom in Curved Space-Time Physical Review Letters. 44: 1559-1562. DOI: 10.1103/Physrevlett.44.1559  0.325
1980 Parker L. One-electron atom as a probe of spacetime curvature Physical Review D. 22: 1922-1934. DOI: 10.1103/Physrevd.22.1922  0.38
1980 Bunch TS, Panangaden P, Parker L. On renormalisation of λϕ4 field theory in curved space–time: I Journal of Physics a: Mathematical and General. 13: 901-918. DOI: 10.1088/0305-4470/13/3/022  0.585
1979 Bunch TS, Parker L. Feynman propagator in curved spacetime: A momentum-space representation Physical Review D. 20: 2499-2510. DOI: 10.1103/Physrevd.20.2499  0.362
1979 Parker L. Path integrals for a particle in curved space Physical Review D. 19: 438-441. DOI: 10.1103/Physrevd.19.438  0.374
1979 Papastamatiou NJ, Parker L. Asymmetric creation of matter and antimatter in the expanding universe Physical Review D. 19: 2283-2299. DOI: 10.1103/Physrevd.19.2283  0.381
1978 Hu BL, Parker L. Anisotropy damping through quantum effects in the early universe Physical Review D. 17: 933-945. DOI: 10.1103/Physrevd.17.933  0.455
1978 Hu BL, Parker L. Erratum: Anisotropy damping through quantum effects in the early universe Physical Review D. 17: 3292-3292. DOI: 10.1103/Physrevd.17.3292  0.324
1978 Friedman JL, Mayer S, Parker L. Angular momentum and Dirac charge quantization in curved spacetime Physical Review D. 17: 1957-1964. DOI: 10.1103/Physrevd.17.1957  0.32
1978 Ford LH, Parker L. Creation of particles by singularities in asymptotically flat spacetimes Physical Review D. 17: 1485-1496. DOI: 10.1103/Physrevd.17.1485  0.415
1977 Ford LH, Parker L. Infrared divergences in a class of Robertson-Walker universes Physical Review D. 16: 245-250. DOI: 10.1103/Physrevd.16.245  0.427
1977 Ford LH, Parker L. Quantized gravitational wave perturbations in Robertson-Walker universes Physical Review D. 16: 1601-1608. DOI: 10.1103/Physrevd.16.1601  0.432
1977 Hu BL, Parker L. Effect of gravitation creation in isotropically expanding universes Physics Letters A. 63: 217-220. DOI: 10.1016/0375-9601(77)90880-5  0.386
1976 Parker L. Thermal radiation produced by the expansion of the Universe Nature. 261: 20-23. DOI: 10.1038/261020A0  0.38
1975 Parker L. Discussion Paper: Particle Creation By Gravitational Fields Annals of the New York Academy of Sciences. 262: 298-298. DOI: 10.1111/J.1749-6632.1975.Tb31446.X  0.317
1975 Parker L. Probability distribution of particles created by a black hole Physical Review D. 12: 1519-1525. DOI: 10.1103/Physrevd.12.1519  0.306
1975 Parker L. New developments in the theory of gravity interacting with quantized fields General Relativity and Gravitation. 6: 21-27. DOI: 10.1007/Bf00766596  0.453
1974 Parker L, Fulling SA. Adiabatic regularization of the energy momentum tensor of a quantized field in homogeneous spaces Physical Review D. 9: 341-354. DOI: 10.1103/Physrevd.9.341  0.452
1974 Fulling SA, Parker L, Hu BL. Conformal energy-momentum tensor in curved spacetime: Adiabatic regularization and renormalization Physical Review D. 10: 3905-3924. DOI: 10.1103/Physrevd.10.3905  0.354
1974 Fulling SA, Parker L. Renormalization in the theory of a quantized scalar field interacting with a robertson-walker spacetime☆ Annals of Physics. 87: 176-204. DOI: 10.1016/0003-4916(74)90451-5  0.459
1973 Hu BL, Fulling SA, Parker L. Quantized scalar fields in a closed anisotropic universe Physical Review D. 8: 2377-2385. DOI: 10.1103/Physrevd.8.2377  0.422
1973 Parker L. Conformal energy-momentum tensor in Riemannian space-time Physical Review D. 7: 976-983. DOI: 10.1103/Physrevd.7.976  0.411
1973 Parker L, Fulling SA. Quantized matter fields and the avoidance of singularities in general relativity Physical Review D. 7: 2357-2374. DOI: 10.1103/Physrevd.7.2357  0.374
1972 Parker L. Particle creation in isotropic cosmologies Physical Review Letters. 28: 705-708. DOI: 10.1103/Physrevlett.28.705  0.358
1972 Parker L, Tiomno J. Pulsars and Pair Production in Electric Fields Nature. 238: 57-58. DOI: 10.1038/Physci238057A0  0.323
1971 Parker L. Adiabatic Invariance in Simple Harmonic Motion American Journal of Physics. 39: 24-27. DOI: 10.1119/1.1986050  0.365
1970 Parker L, Schmieg GM. Special Relativity And Diagonal Transformations. American Journal of Physics. 38: 218-222. DOI: 10.1119/1.1976289  0.301
1970 Parker L, Schmieg GM. A Useful Form of the Minkowski Diagram American Journal of Physics. 38: 1298-1302. DOI: 10.1119/1.1976076  0.308
1969 Parker L. Motion in a Schwarzschild Field II. Deflection of Light American Journal of Physics. 37: 313-314. DOI: 10.1119/1.1975518  0.349
1969 Parker L. Motion in a Schwarzschild Field I. Precession of a Moving Gyroscope American Journal of Physics. 37: 309-312. DOI: 10.1119/1.1975516  0.308
1969 Parker L. Faster-than-light intertial frames and tachyons Physical Review. 188: 2287-2292. DOI: 10.1103/Physrev.188.2287  0.377
1969 Parker L. Quantized fields and particle creation in expanding universes. I Physical Review. 183: 1057-1068. DOI: 10.1103/Physrev.183.1057  0.38
1968 Parker L. Equivalence principle and motion of a gyroscope Physical Review. 175: 1658-1660. DOI: 10.1103/Physrev.175.1658  0.375
1965 Parker L. On the magnetic moment of a charged particle in a changing magnetic field Il Nuovo Cimento B Series 10. 40: 99-108. DOI: 10.1007/Bf02710766  0.336
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