Quantum vacuum under mixed boundary conditions: the case for curved spacetime
Sign Up to like & getrecommendations! Published in 2020 at "Classical and Quantum Gravity"
DOI: 10.1088/1361-6382/ab8bb7
Abstract: curved spacetime Borzoo Nazari ∗ School of Surveying and Geospatial Engineering, College of Engineering, University of Tehran, Tehran, Iran Abstract Influence of gravity on the quantum vacuum of a massless minimally coupled scalar field under… read more here.
Keywords: energy; quantum vacuum; boundary conditions; quantum ... See more keywords
The influence of the Earth’s curved spacetime on Gaussian quantum coherence
Sign Up to like & getrecommendations! Published in 2019 at "Laser Physics Letters"
DOI: 10.1088/1612-202x/ab2be4
Abstract: Light wave-packets propagating from the Earth to satellites will be deformed by the curved background spacetime of the Earth, thus influencing the quantum state of light. We show that Gaussian coherence of photon pairs, which… read more here.
Keywords: gaussian coherence; earth; quantum coherence; coherence ... See more keywords
Variational formulation of compressible hydrodynamics in curved spacetime and symmetry of stress tensor
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Physics A: Mathematical and Theoretical"
DOI: 10.1088/1751-8121/ab8598
Abstract: Hydrodynamics of the non-relativistic compressible fluid in the curved spacetime is derived using the generalized framework of the stochastic variational method (SVM) for continuum medium. The fluid-stress tensor of the resultant equation becomes asymmetric for… read more here.
Keywords: symmetry; variational formulation; stress tensor; hydrodynamics ... See more keywords
Generalized magnetofluid connections in a curved spacetime
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review D"
DOI: 10.1103/physrevd.102.023032
Abstract: The ideal magnetohydrodynamic theorem on the conservation of the magnetic connections between plasma elements is extended to nonideal relativistic plasmas in curved spacetime. The existence of generalized magnetofluid connections that are preserved by the plasma… read more here.
Keywords: field; magnetofluid connections; generalized magnetofluid; curved spacetime ... See more keywords
Running gravitational couplings, decoupling, and curved spacetime renormalization
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review D"
DOI: 10.1103/physrevd.102.045021
Abstract: We propose to slightly generalize the DeWitt-Schwinger adiabatic renormalization subtractions in curved space to include an arbitrary renormalization mass scale $\mu$. The new predicted running for the gravitational couplings are fully consistent with decoupling of… read more here.
Keywords: decoupling curved; couplings decoupling; renormalization; running gravitational ... See more keywords
Magnetic connections in curved spacetime
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review D"
DOI: 10.1103/physrevd.96.123004
Abstract: The ideal magnetohydrodynamic theorem on the conservation of the magnetic connections between plasma elements is generalized to relativistic plasmas in curved spacetime. The connections between plasma elements, which are established by a covariant connection equation,… read more here.
Keywords: curved spacetime; connections curved; magnetic connections;
Chiral kinetic theory in curved spacetime
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review D"
DOI: 10.1103/physrevd.99.085014
Abstract: Many-body systems with chiral fermions exhibit anomalous transport phenomena originated from quantum anomalies. Based on quantum field theory, we derive the kinetic theory for chiral fermions interacting with an external electromagnetic field and a background… read more here.
Keywords: theory; curved spacetime; geometry; theory curved ... See more keywords
A novel method for renormalization in quantum-field theory in curved spacetime
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Modern Physics D"
DOI: 10.1142/s0218271818430010
Abstract: In quantum-field theory in curved spacetime, two important physical quantities are the expectation value of the stress-energy tensor 〈Tμν〉 and of the square of the field operator 〈φ2〉. These expectation values must be renormalized, which… read more here.
Keywords: quantum field; field; renormalization; field theory ... See more keywords
Super Finsler connection of superparticle on two-dimensional curved spacetime
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Geometric Methods in Modern Physics"
DOI: 10.1142/s0219887819500555
Abstract: We analyze the Casalbuoni–Brink–Schwarz superparticle model on a 2-dimensional curved spacetime as a super Finsler metric defined on a (2,2)-dimensional supermanifold. We propose a nonlinear Finsler connection which preserves this Finsler metric and calculates it… read more here.
Keywords: finsler; dimensional curved; superparticle; curved spacetime ... See more keywords
Field Mixing in Curved Spacetime and Dark Matter
Sign Up to like & getrecommendations! Published in 2023 at "Symmetry"
DOI: 10.3390/sym15040807
Abstract: An extensive review of recent results concerning the quantum field theory of particle mixing in curved spacetime is presented. The rich mathematical structure of the theory for both fermions and bosons, stemming from the interplay… read more here.
Keywords: mixing curved; field mixing; curved spacetime; dark matter ... See more keywords