RAQET: Large‐scale two‐component relativistic quantum chemistry program package
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Computational Chemistry"
DOI: 10.1002/jcc.25364
Abstract: The Relativistic And Quantum Electronic Theory (RAQET) program is a new software package, which is designed for large‐scale two‐component relativistic quantum chemical (QC) calculations. The package includes several efficient schemes and algorithms for calculations involving… read more here.
Keywords: package; large scale; component relativistic; chemistry ... See more keywords
Non-relativistic quantum field theory of Verlinde’s emergent entropic gravity
Sign Up to like & getrecommendations! Published in 2020 at "Annals of Physics"
DOI: 10.1016/j.aop.2019.168013
Abstract: Abstract Non relativistic quantum field theory propagators are indispensable tools in nuclear physics and condensed matter theory. Here we apply them to gravitation, that is, discuss a non relativistic quantum field theory for fermions and… read more here.
Keywords: quantum field; quantum; theory; field theory ... See more keywords
Relativistic quantum geometry from a 5D geometrical vacuum: Gravitational waves from preinflation
Sign Up to like & getrecommendations! Published in 2019 at "Physics of the Dark Universe"
DOI: 10.1016/j.dark.2019.100309
Abstract: In this work we introduce Relativistic Quantum Geometry (RQG) on a Modern Kaluza-Klein theory by studying the boundary conditions on a extended Einstein-Hilbert action for a 5D vacuum defined on a 5D (background) Riemannian manifold.… read more here.
Keywords: gravitational waves; vacuum; geometry; relativistic quantum ... See more keywords
Relativistic quantum chaos
Sign Up to like & getrecommendations! Published in 2018 at "Physics Reports"
DOI: 10.1016/j.physrep.2018.06.006
Abstract: Abstract Quantum chaos is generally referred to as the study of quantum manifestations or fingerprints of nonlinear dynamical and chaotic behaviors in the corresponding classical system, an interdisciplinary field that has been active for about… read more here.
Keywords: quantum; relativistic quantum; quantum chaos; physics ... See more keywords
Relativistic quantum chemical calculations show that the uranium molecule U2 has a quadruple bond
Sign Up to like & getrecommendations! Published in 2018 at "Nature Chemistry"
DOI: 10.1038/s41557-018-0158-9
Abstract: AbstractUnderstanding the bonding, reactivity and electronic structure of actinides is lagging behind that of the rest of the periodic table. This can be partly explained by the challenges that one faces in experimental studies of… read more here.
Keywords: molecule; quantum chemical; bond; chemistry ... See more keywords
Relativistic quantum key distribution system with one-way quantum communication
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Reports"
DOI: 10.1038/s41598-018-24533-6
Abstract: Unambiguous state discrimination (USD) is one of the major obstacles for practical quantum key distribution (QKD). Often overlooked, it allows efficient eavesdropping in majority of practical systems, provided the overall channel loss is above a… read more here.
Keywords: relativistic quantum; quantum key; system; key distribution ... See more keywords
Stability of relativistic quantum electrodynamics in the Coulomb gauge
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Mathematical Physics"
DOI: 10.1063/1.5011031
Abstract: We show that relativistic quantum electrodynamics in the Coulomb gauge satisfies the following bound, which establishes stability: let H(Λ, V) denote the Hamiltonian of QED1+3 on the three-dimensional torus of volume V and with ultraviolet… read more here.
Keywords: quantum electrodynamics; coulomb gauge; electrodynamics; electrodynamics coulomb ... See more keywords
Interacting relativistic quantum dynamics of two particles on spacetimes with a Big Bang singularity
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Mathematical Physics"
DOI: 10.1063/1.5078579
Abstract: Relativistic quantum theories are usually thought of as being quantum field theories, but this is not the only possibility. Here, we consider relativistic quantum theories with a fixed number of particles that interact neither through… read more here.
Keywords: two particles; quantum; light cones; quantum theories ... See more keywords
Space-time symmetric extension of non-relativistic quantum mechanics
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.95.032133
Abstract: In quantum theory we refer to the probability of finding a particle between positions $x$ and $x+dx$ at the instant $t$, although we have no capacity of predicting exactly when the detection occurs. In this… read more here.
Keywords: mechanics; space time; time; relativistic quantum ... See more keywords
Microwave photonic crystals, graphene, and honeycomb-kagome billiards with threefold symmetry: Comparison with nonrelativistic and relativistic quantum billiards
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.104.064310
Abstract: We present results for properties related to the band structure of a microwave photonic crystal, that is, a flat resonator containing metallic cylinders arranged on a triangular grid, referred to as the Dirac (microwave) billiard,… read more here.
Keywords: graphene honeycomb; quantum billiards; kagome billiards; microwave photonic ... See more keywords
Variational method in relativistic quantum field theory without cutoff
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review D"
DOI: 10.1103/physrevd.104.l091904
Abstract: The variational method is a powerful approach to solve many-body quantum problems non perturbatively. However, in the context of relativistic quantum field theory (QFT), it needs to meet 3 seemingly incompatible requirements outlined by Feynman:… read more here.
Keywords: field; without cutoff; relativistic quantum; quantum field ... See more keywords