Liquid-vapor order parameter and coexistence-curve diameter of nitrogen, ethylene, and sulfur hexafluoride: From the triple point to the critical scaling regime

Roman Tomaschitz

Fluid Phase Equilibr. 577, 113961 (2024), DOI: 10.1016/j.fluid.2023.113961

 

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Isobaric heat capacity of classical and quantum fluids: extending experimental data sets into the critical scaling regime

Roman Tomaschitz

Eur. Phys. J. Plus 138, 457 (2023), DOI: 10.1140/epjp/s13360-023-04006-0

 

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Isobaric heat capacity of carbon dioxide at critical pressure: Singular thermodynamic functions as multiply broken power laws

Roman Tomaschitz

Physica A 611, 128421 (2023), DOI: 10.1016/j.physa.2022.128421

 

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Phenomenological high-pressure equation of state for nitrogen, methane, methanol, carbon dioxide, and helium

Roman Tomaschitz

Int. J. Thermophys. 43, 130 (2022), DOI: 10.1007/s10765-022-03034-9

 

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Multiparameter equation of state for classical and quantum fluids   

Roman Tomaschitz

J. Supercrit. Fluids 181, 105491 (2022),

DOI: 10.1016/j.supflu.2021.105491

 

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Thermodynamics of lattice vibrations in non-cubic crystals: the zinc structure revisited

Roman Tomaschitz

Acta Crystallogr. A77, 420 (2021), DOI: 10.1107/S2053273321005507

 

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Modeling electrical resistivity and particle fluxes with multiply broken power-law distributions

Roman Tomaschitz

Eur. Phys. J. Plus 136, 629 (2021), DOI: 10.1140/epjp/s13360-021-01542-5

 

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Extension of finite-strain equations of state to ultra-high pressure   

Roman Tomaschitz

Phys. Lett. A 393, 127185 (2021), DOI: 10.1016/j.physleta.2021.127185

 

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Effective real-space correlations of crystal lattice vibrations

Roman Tomaschitz

J. Phys. Chem. Solids 152, 109773 (2021),

DOI: 10.1016/j.jpcs.2020.109773

 

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Effective partition function of crystals: Reconstruction from heat capacity data and Debye-Waller factor

Roman Tomaschitz

Physica B 593, 412243 (2020), DOI: 10.1016/j.physb.2020.412243

 

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Multiply broken power-law densities as survival functions: An alternative to Pareto and lognormal fits

Roman Tomaschitz

Physica A 541, 123188 (2020), DOI: 10.1016/j.physa.2019.123188

 

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Caloric and isothermal equations of state of solids: Empirical modeling with multiply broken power-law densities

Roman Tomaschitz

Appl. Phys. A 126, 102 (2020), DOI: 10.1007/s00339-019-3256-7

 

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Effective Hamiltonians and empirical fluid equations of state

Roman Tomaschitz

Fluid Phase Equilib. 496, 80 (2019), DOI: 10.1016/j.fluid.2019.05.014

 

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Partially polarized black-body radiation

Roman Tomaschitz

Physica A 524, 130 (2019), DOI: 10.1016/j.physa.2019.03.014

 

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Density correlations induced by temperature fluctuations in a photon gas

Roman Tomaschitz

Eur. Phys. J. B 91, 115 (2018), DOI: 10.1140/epjb/e2018-80673-0

 

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White dwarf stars exceeding the Chandrasekhar mass limit

Roman Tomaschitz
Physica A 489, 128 (2018), DOI: 10.1016/j.physa.2017.07.024

 

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Weibull thermodynamics: Subexponential decay in the energy spectrum of cosmic-ray nuclei

Roman Tomaschitz
Physica A 483, 438 (2017), DOI: 10.1016/j.physa.2017.03.034

 

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Partition function and thermodynamic parameters of the all-particle cosmic-ray flux

Roman Tomaschitz
Astropart. Phys. 84, 36 (2016), DOI: 10.1016/j.astropartphys.2016.08.003

 

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The stationary non-equilibrium plasma of cosmic-ray electrons and positrons

Roman Tomaschitz
Physica A 451, 456 (2016), DOI: 10.1016/j.physa.2016.01.091

 

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Tachyonic Cherenkov radiation from supernova remnants

Roman Tomaschitz
J. High Energy Astrophys. 8, 10 (2015), DOI: 10.1016/j.jheap.2015.06.003

 

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High-index asymptotics of spherical Bessel products averaged with modulated Gaussian power laws

Roman Tomaschitz
Z. Angew. Math. Phys. 65, 1077 (2014), DOI: 10.1007/s00033-013-0370-9

 

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Tachyonic Cherenkov radiation in the absorptive aether

Roman Tomaschitz
Phys. Lett. A 378, 2915 (2014), DOI: 10.1016/j.physleta.2014.08.010

 

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Tachyonic quantum densities of relativistic electron plasmas: Cherenkov spectra of gamma-ray pulsars

Roman Tomaschitz
Phys. Lett. A 378, 2337 (2014), DOI: 10.1016/j.physleta.2014.06.005

 

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Weber and Beltrami integrals of squared spherical Bessel functions: Finite series evaluation and high-index asymptotics

Roman Tomaschitz
Math. Meth. Appl. Sci. 37, 1249 (2014), DOI: 10.1002/mma.2882

 

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Subexponential decay in Fermi-LAT pulsar spectra: The case for tachyonic Cherenkov radiation

Roman Tomaschitz
Europhys. Lett. 106, 39001 (2014), DOI: 10.1209/0295-5075/106/39001

 

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Ultra-relativistic nonthermal power-law ensembles: Cosmic-ray electrons and positron fraction

Roman Tomaschitz
Physica A 394, 110 (2014), DOI: 10.1016/j.physa.2013.09.068

 

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Tachyonic Cherenkov emission from Jupiter’s radio electrons

Roman Tomaschitz
Phys. Lett. A 377, 3247 (2013), DOI: 10.1016/j.physleta.2013.10.016

 

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Bessel integrals in epsilon expansion: Squared spherical Bessel functions averaged with Gaussian power-law distributions

Roman Tomaschitz
Appl. Math. Comput. 225, 228 (2013), DOI: 10.1016/j.amc.2013.09.035

 

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Power-law partition and entropy production of high-energy cosmic rays: Knee-ankle structure of the all-particle spectrum

Roman Tomaschitz
Europhys. Lett. 104, 19001 (2013), DOI: 10.1209/0295-5075/104/19001

 

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Decay kinematics in the aether: Pion decay, kaon decay, and superluminal Cherenkov radiation

Roman Tomaschitz
Europhys. Lett. 102, 61002 (2013), DOI: 10.1209/0295-5075/102/61002

 

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Mass generation in the aether: Neutrino oscillations and massive gauge fields

Roman Tomaschitz
Phys. Lett. A 377, 945 (2013), DOI: 10.1016/j.physleta.2013.02.028

 

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Multipole fine structure of the cosmic microwave background: reconstruction of the temperature power spectrum

Roman Tomaschitz
Mon. Not. R. Astron. Soc. 427, 1363 (2012), DOI: 10.1111/j.1365-2966.2012.22024.x 

 

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Causality violation in e+e- pair production by superluminal neutrinos
Roman Tomaschitz
Europhys. Lett. 98, 19001 (2012), DOI: 10.1209/0295-5075/98/19001

 

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Neutrino currents in the absolute spacetime: Relating the refractive index of the aether to the OPERA excess velocity

Roman Tomaschitz
Europhys. Lett. 97, 39003 (2012), DOI: 10.1209/0295-5075/97/39003 

 

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Redshift evolution of angular diameters and surface brightness: how rigid are galactic measuring rods?
Roman Tomaschitz
Astrophys. Space Sci. 331, 397 (2011), DOI: 10.1007/s10509-010-0538-0

 

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Superluminal spectral densities of ultra-relativistic electrons in intense electromagnetic wave fields
R. Tomaschitz
Appl. Phys. B 101, 143 (2010), DOI: 10.1007/s00340-010-4182-8

 

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Tachyonic gamma-ray bursts generated by nonlocal plasma currents
Roman Tomaschitz
Eur. Phys. J. C 69, 241 (2010), DOI: 10.1140/epjc/s10052-010-1401-8

 

Abstract          Full Text PDF

 

 

 

Tachyonic spectral fits of gamma-ray bursts
R. Tomaschitz
Europhys.
Lett. 89, 39002 (2010), DOI: 10.1209/0295-5075/89/39002

 

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Effect of a varying gravitational constant on the SN Ia Hubble diagram, AGN luminosity evolution, and X-ray source counts
Roman Tomaschitz

Astrophys. Space Sci. 325, 259 (2010), DOI: 10.1007/s10509-009-0175-7

 

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Nearly degenerate electron distributions and superluminal radiation densities

Roman Tomaschitz

Physica B 405, 1022 (2010), DOI: 10.1016/j.physb.2009.10.048

 

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Refraction angles and transmission rates of polarized superluminal radiation

Roman Tomaschitz

Physica B 404, 1383 (2009), DOI: 10.1016/j.physb.2008.12.026

 

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Tachyon optics: Kirchhoff identities and superluminal Bragg diffraction

Roman Tomaschitz

Opt. Commun. 282, 1710 (2009), DOI: 10.1016/j.optcom.2009.01.024

 

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Tachyonic gamma-ray cascades from BL Lacertae objects
R. Tomaschitz
Europhys.
Lett. 85, 29001 (2009), DOI: 10.1209/0295-5075/85/29001

 

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Polarization of superluminal gamma-rays: Tachyonic flare spectra of quasar 3C 279
R. Tomaschitz
Europhys.
Lett. 84, 19001 (2008), DOI: 10.1209/0295-5075/84/19001

 

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Tachyonic gamma-ray spectra of active galactic nuclei: Evidence for intrinsic spectral curvature

Roman Tomaschitz

Phys. Lett. A 372, 4344 (2008), DOI: 10.1016/j.physleta.2008.04.026

 

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Tachyonic gamma-ray wideband of an ultra-relativistic electron plasma: Spectral fitting with Fermi power-law densities

Roman Tomaschitz

Physica A 387, 3480 (2008), DOI: 10.1016/j.physa.2008.02.024

 

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Thermodynamic variables of microquasars inferred from tachyonic spectral maps

Roman Tomaschitz

Physica A 385, 558 (2007), DOI: 10.1016/j.physa.2007.06.009

 

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Tachyonic spectral map of a binary pulsar

Roman Tomaschitz

Phys. Lett. A 366, 289-297 (2007), DOI: 10.1016/j.physleta.2007.01.084

 

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Superluminal cascade spectra of TeV gamma-ray sources

Roman Tomaschitz

Ann. Phys. (N.Y.) 322, 677 (2007), DOI: 10.1016/j.aop.2006.11.005

 

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Tachyonic cascade spectra of supernova remnants and TeV blazars

R. Tomaschitz

Eur. Phys. J. C 49, 815 (2007), DOI: 10.1140/epjc/s10052-006-0168-4

 

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Superluminal gamma-rays from the Crab pulsar

Roman Tomaschitz

Astropart. Phys. 27, 92 (2007), DOI: 10.1016/j.astropartphys.2006.09.003

 

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Tachyonic cyclotron radiation

R. Tomaschitz

Eur. Phys. J. C 45, 493 (2006), DOI: 10.1140/epjc/s2005-02408-5

 

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Faint young Sun, planetary paleoclimates and varying fundamental constants

Roman Tomaschitz

Int. J. Theor. Phys. 44, 195 (2005), DOI: 10.1007/s10773-005-1492-4

 

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Tachyonic ionization cross sections of hydrogenic systems
Roman Tomaschitz
J. Phys.
A: Math. Gen. 38, 2201 (2005), DOI: 10.1088/0305-4470/38/10/011

 

Abstract          Full Text PDF 

 

 

 

Quantum tachyons

R. Tomaschitz

Eur. Phys. J. D 32, 241 (2005), DOI: 10.1140/epjd/e2004-00185-0

 

Abstract          Full Text PDF

 

 

 

Tachyonic synchrotron radiation from gamma-ray pulsars

Roman Tomaschitz

Astropart. Phys. 23, 117 (2005), DOI: 10.1016/j.astropartphys.2004.11.005

 

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Tachyonic synchrotron radiation

Roman Tomaschitz

Physica A 335, 577 (2004), DOI: 10.1016/j.physa.2003.11.016 

 

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Cosmic time dilation: The clock paradox revisited

Roman Tomaschitz

Chaos, Solitons & Fractals 20, 713 (2004), DOI: 10.1016/j.chaos.2003.09.016

 

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Superluminal radiation by uniformly moving charges

Roman Tomaschitz

Physica A 320, 329 (2003), DOI: 10.1016/S0378-4371(02)01542-X

 

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Quantum statistics of superluminal radiation

Roman Tomaschitz

Physica307, 375 (2002), DOI: 10.1016/S0378-4371(01)00627-6 

 

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Electromagnetic propagators in hyperbolic Robertson-Walker cosmologies

Roman Tomaschitz

J. Math. Phys. 42, 5800 (2001), DOI: 10.1063/1.1413522

 

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Tachyons and the Wheeler-Feynman absorber theory
Roman Tomaschitz
Class.
Quantum Grav. 18, 4395 (2001), DOI: 10.1088/0264-9381/18/21/303

 

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Einstein coefficients and equilibrium formalism for tachyon radiation

Roman Tomaschitz

Physica A 293, 247 (2001), DOI: 10.1016/S0378-4371(00)00594-X

 

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Superluminal kinematics in the Milne universe: Causality in the cosmic time order

Roman Tomaschitz

Celest. Mech. Dyn. Astron. 77, 107 (2000), DOI: 10.1023/A:1008310222726

 

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Tachyons, Lamb shifts and superluminal chaos

R. Tomaschitz

Eur. Phys. J. B 17, 523 (2000), DOI: 10.1007/s100510070130

 

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Conformal tachyons

Roman Tomaschitz

Int. J. Mod. Phys. A 15, 3019 (2000), DOI: 10.1142/S0217751X0000135X

 

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Cosmic time variation of the gravitational constant

Roman Tomaschitz

Astrophys. Space Sci. 271, 181 (2000), DOI: 10.1023/A:1002495020703

 

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Full-text PDFs of the Tomaschitz papers 1989-1999 can be downloaded from the index1989-99 page or the CERN Document Server

 

 

 

title: Roman Tomaschitz – Research papers on superluminal radiation, tachyons, varying fundamental constants, cosmology

 

description: Roman Tomaschitz – Research articles in theoretical physics, statistical mechanics, high energy physics, astrophysics, cosmology – Research on superluminal radiation, tachyons, tachyonic spectral maps of astrophysical radiation sources, ultra-relativistic electron plasmas, quantum statistics, statistical distribution functions, cosmic time variation of fundamental constants, spacetime structure

 

Keywords: superluminal radiation, quantum tachyons, tachyonic synchrotron and cyclotron radiation, tachyonic spectral maps of active galactic nuclei, quasars, TeV γ-ray blazars, BL Lacertae objects, γ-ray bursts, supernova remnants, γ-ray pulsars, microquasars, tachyonic cascade spectra, interaction of tachyons with matter, tachyonic photoelectric effect and ionization cross-sections, polarization of tachyons, transversal and longitudinal tachyonic background radiations, Proca fields with negative mass-square, tachyonic Maxwell equations, time variation of the gravitational constant, cosmic time, absolute space, ether, aether, permeability of spacetime, ultra-relativistic electron plasmas, electron acceleration by laser fields, quantum statistics, stationary non-equilibrium systems, statistical distribution functions, superluminal gamma-rays

 

The complete set of research and conference papers published 1989-1999 is listed in index1989-99, including full-text PDFs.