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Related papers: Thermal corrections for positronium

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A theory of thermal and nonthermal radiation in a vacuum background of arbitrary temperature generated by relativistic polarizable particle with spin is proposed. When the particle rotates, radiation is produced by vacuum fluctuations even…

Mesoscale and Nanoscale Physics · Physics 2014-12-17 A. A. Kyasov , G. V Dedkov

We show that the radiative corrections containing terms up to order $\alpha q / \pi M_1$ for unpolarized semileptonic decays of baryons with positron emission can be obtained by simply reversing the sign of the axial-vector form factors in…

High Energy Physics - Phenomenology · Physics 2015-03-25 A. Martinez , D. M. Tun , A. Garcia , G. Sanchez-Colon

A generalization of Buttiker's voltage probe concept for nonzero temperatures is an open third terminal of a quantum thermoelectric circuit. An explicit analytic expression for the thermoelectric correction to an ideal quantum voltage…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 Justin P. Bergfield , Charles A. Stafford

A quantitative description of the properties of hot nuclear matter will be needed for the interpretation of the available and forthcoming astrophysical data, providing information on the post merger phase of a neutron star coalescence. We…

Nuclear Theory · Physics 2022-11-30 Lucas Tonetto , Omar Benhar

We provide a theoretical framework for the development of a solid-state thermal rectifier through a confinement in the available population of phonons on one side of an asymmetrically graded film stack. Using a modification of the phonon…

Mesoscale and Nanoscale Physics · Physics 2020-02-26 Brian F. Donovan , Ronald J. Warzoha

The knowledge of the nuclear symmetry energy of hot neutron-rich matter is important for understanding the dynamical evolution of massive stars and the supernova explosion mechanisms. In particular, the electron capture rate on nuclei…

Nuclear Theory · Physics 2008-11-26 Ch. C. Moustakidis

Quantum thermal transport in two-quantum-dot system with Dzyaloshinskii-Moriya interaction (DM interaction) has been studied. The sign of thermal rectification can be controlled through changing the energy splitting or the DM interaction…

Quantum Physics · Physics 2012-11-14 T Chen , X. B. Wang

In this work, we investigate several phenomenological aspects of a covariant quantum-corrected Reissner-Nordstr\"om black hole characterized by the mass $M$, electric charge $Q$, and the quantum correction parameter $\zeta$. We first study…

General Relativity and Quantum Cosmology · Physics 2026-02-19 Faizuddin Ahmed , Ahmad Al-Badawi , Mohsen Fathi

A method for precise calculation of the energy corrections due to second order electric quadrupole interactions, as well as mixed electric quadrupole-vacuum polarization in the framework of the dynamic hyperfine structure in heavy muonic…

Atomic Physics · Physics 2019-04-10 Niklas Michel , Natalia S. Oreshkina

An eight-component formalism is proposed for the relativistic two-fermion problem. In QED, it extends the applicability of the Dirac equation with hyperfine interaction to the positronium case. The use of exact relativistic two-body…

High Energy Physics - Phenomenology · Physics 2009-10-31 Ruth Haeckl , Viktor Hund , Hartmut Pilkuhn

We calculate the optical phonon correction to the binding energy of electrons to donors in cubic materials. Previous theories calculated the Rydberg energy reduced by the effective mass and the static dielectric function. They omitted an…

Materials Science · Physics 2015-06-03 G. D. Mahan , Kristian Berland

In the language of black hole physics, Hawking radiation is one of the most controversial subjects about which there exist lots of puzzles, including the information loss problem and the question of whether this radiation is thermal or not.…

General Relativity and Quantum Cosmology · Physics 2020-04-30 Milad Hajebrahimi , Kourosh Nozari

We extend the study of corrected thermodynamics for the 3D black holes conformally coupled to scalar field up to non-perturbative level. We calculate the exponential correction to entropy arises due to the microstate counting for quantum…

General Relativity and Quantum Cosmology · Physics 2024-04-17 Saheb Soroushfar , Hoda Farahani , Sudhaker Upadhyay

We derive corrections to the ground-state energies and radii of atomic nuclei that result from the limitations of finite oscillator spaces.

Nuclear Theory · Physics 2012-09-06 R. J. Furnstahl , G. Hagen , T. Papenbrock

Several first-principles calculations of positron-annihilation characteristics in solids have added gradient corrections to the local-density approximation within the theory by Arponen and Pajanne [Ann. Phys. (N.Y.) 121, 343 (1979)] since…

Materials Science · Physics 2014-07-16 Jan Kuriplach , Bernardo Barbiellini

In the perspective of the outstanding developments of high-precision measurements of fundamental constants using polar molecules related to ultimate checks of fundamental theories, we investigate the possibly counterproductive role of…

Atomic Physics · Physics 2008-01-22 Nicolas Vanhaecke , Olivier Dulieu

In this work, we analyze the effects of thermal fluctuations on the thermodynamics of a modified Hayward black hole. These thermal fluctuations will produce correction terms for various thermodynamic quantities like entropy, pressure, inner…

General Relativity and Quantum Cosmology · Physics 2016-03-21 Behnam Pourhassan , Mir Faizal , Ujjal Debnath

Hyperfine splitting of positronium is an important parameter for particle physics. This paper gives experimental techniques and results of R&D studies of our experiment to observe direct hyperfine transition of ortho-positronium to…

High Energy Physics - Experiment · Physics 2010-07-07 T. Suehara , A. Miyazaki , T. Yamazaki , G. Akimoto , A. Ishida , T. Namba , S. Asai , T. Kobayashi , H. Saito , M. Yoshida , T. Idehara , I. Ogawa , Y. Urushizaki , S. Sabchevski

An important question in polariton chemistry is whether reacting molecules are in thermal equilibrium with their surroundings. If not, can experimental changes observed in reaction rates of molecules in a cavity (even without optical…

Chemical Physics · Physics 2025-03-13 Sindhana Pannir-Sivajothi , Joel Yuen-Zhou

In this study, a fully self-consistent method was developed to obtain the wave functions of the positron and electrons in molecules simultaneously. The wave function of a positron at room temperature , with a characteristic energy of…

Atomic and Molecular Clusters · Physics 2020-06-24 Lin Tang , Xiaoguang Ma , Jipeng Sui , Meishan Wang , Chuanlu Yang
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