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We consider the effect of electron-electron interaction on the electron transport through a finite length single-mode quantum wire with reflectionless contacts. The two-particle scattering events cannot alter the electric current and…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Anders Mathias Lunde , Karsten Flensberg , Leonid I. Glazman

The QED effective action at finite temperature and density is calculated to all orders in an external homogeneous and time-independent magnetic field in the weak coupling limit. The free energy, obtained explicitly, exhibit the expected de\…

High Energy Physics - Theory · Physics 2008-11-26 Per Elmfors , Bo-Sture Skagerstam , David Persson

The one-loop contribution to vacuum polarization is calculated for the adjoint fermions in three dimensional noncommutative spaces, both at zero and finite temperature. At zero temperature, we confirm a previously found result for the…

High Energy Physics - Theory · Physics 2009-11-10 B. Chandrasekhar , Prasanta K. Panigrahi

The vacuum energy response of a quantum field theory is studied as a function of complex external fields coupled to the symmetry-breaking observables of the theory. It is found that the energy density is insensitive to spontaneous symmetry…

High Energy Physics - Phenomenology · Physics 2009-11-07 Xiangdong Ji

This paper discusses relativistic corrections to the thermal Coulomb potential for simple atomic systems. The theoretical description of the revealed thermal corrections is carried out within the framework of relativistic quantum…

Atomic Physics · Physics 2021-05-19 D. Solovyev , T. Zalialiutdinov , A. Anikin

The importance of electrical contact resistance and thermal boundary resistance has increased dramatically as devices are scaled to atomic limits. The use of a rich range of materials with various bandstructures (e.g. parabolic, conical),…

Materials Science · Physics 2025-10-14 Alice Ho , Jashan Singhal , Deji Akinwande , Huili Grace Xing , Debdeep Jena

We have shown that self interaction effects in massive quantum electrodynamics can lead to the formation of bound states of quark antiquark pairs. A current-current fermion coupling term is introduced, which induces a well in the potential…

High Energy Physics - Theory · Physics 2008-11-26 Subir Ghosh

We study the phase diagram and finite temperature properties of an integrable generalization of the one-dimensional super-symmetric t-J model containing interactions explicitly breaking parity-time reversal (PT) symmetries. To this purpose,…

Statistical Mechanics · Physics 2017-08-08 T. S. Tavares , G. A. P. Ribeiro

We present a Review of the dynamical features such as generation, propagation, distribution, sudden transition and freezing of the various quantum correlation measures, as Concurrence, Entanglement of Formation, Quantum Discord, as well…

Quantum Physics · Physics 2014-07-22 Miguel Orszag , Nellu Ciobanu , Raul Coto , Vitalie Eremeev

We study the effective action for finite-temperature D3-branes with an electromagnetic field at weak and strong coupling. We call this action the thermal DBI action. Comparing at low temperature the leading $T^4$ correction for the thermal…

High Energy Physics - Theory · Physics 2015-06-17 Gianluca Grignani , Troels Harmark , Andrea Marini , Marta Orselli

The possibility of parity violation in a gravitational theory with torsion is extensively explored in four and higher dimensions. In the former case,we have listed our conclusions on when and whether parity ceases to be conserved, with both…

High Energy Physics - Theory · Physics 2009-11-07 Biswarup Mukhopadhyaya , Somasri Sen , Soumitra SenGupta , Saurabh Sur

We derive a closed-form result for the leading thermal contributions which appear in the n-dimensional phi3 theory at high temperature. These contributions become local only in the long wavelength and in the static limits, being given by…

High Energy Physics - Theory · Physics 2012-11-09 F. T. Brandt , J. Frenkel

We discuss parity violating effects in relativistic quantum theory and their analogues in effective field theory of superfluid 3He-A. A mixed axial-gravitational Chern-Simons term in the relativistic effective action and its condensed…

High Energy Physics - Phenomenology · Physics 2009-10-31 G. E. Volovik , A. Vilenkin

We study the crossing equations in $d=3$ for the four point function of two $U(1)$ currents and two scalars including the presence of a parity violating term for the $s$-channel stress tensor exchange. We show the existence of a new tower…

High Energy Physics - Theory · Physics 2019-01-23 Subham Dutta Chowdhury , Justin R. David , Shiroman Prakash

In the in-out formalism we advance a new method to represent the gamma function for QED actions in supercritical fields, which is complementary to the proper-time integral representation in Phys. Rev. D 78, 105013 (2008) and Phys. Rev. D…

High Energy Physics - Theory · Physics 2014-06-18 Sang Pyo Kim , Hyun Kyu Lee

This article addresses the importance of accurate characterization of plasma parameters for electromagnetic compatibility (EMC) purposes. Most of EMC issues involving plasma materials are obviously multi-physics problems (linking chemical,…

Plasma Physics · Physics 2019-02-20 P. Andre , G Faure , A Mahfouf , S. Lalléchère

The behaviour of the broken CP symmetry at finite temperature is examined. This is achieved through the investigation of the neutron electric dipole moment $d_n$ induced by $\theta$-term. By using thermal QCD sum rules, we find that below…

High Energy Physics - Phenomenology · Physics 2016-09-06 Mohamed Chabab

We use the Schwinger-Dyson equations in the presence of a thermal bath, in order to study chiral symmetry breaking in a system of massless Dirac fermions interacting through pseudo quantum electrodynamics (PQED3), in (2+1) dimensions. We…

High Energy Physics - Theory · Physics 2015-11-06 Leandro O. Nascimento , Van Sérgio Alves , Francisco Peña , C. Morais Smith , E. C. Marino

We study parity violation in $2+1$-dimensional gauge theories coupled to massive fermions. Using the $\zeta$-function regularization approach we evaluate the ground state fermion current in an arbitrary gauge field background, showing that…

High Energy Physics - Theory · Physics 2015-06-26 R. E. Gamboa Saravi , G. L. Rossini , F. A. Schaposnik

In this article we derive the anomalous magnetic moment of fermions in (2+1)-dimensional parity-conserving QED3, in the presence of an externally applied constant magnetic field. We use a spectral representation of the photon propagator to…

High Energy Physics - Phenomenology · Physics 2009-11-10 Jean Alexandre , K. Farakos , N. E. Mavromatos
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