Results 81 to 90 of about 153,228 (157)

Quantum tachyonic preheating, revisited

open access: yesJournal of High Energy Physics
In certain models of inflation, the postinflationary reheating of the Universe is not primarily due to perturbative decay of the inflaton field into particles, but proceeds through a tachyonic instability.
Anders Tranberg, Gerhard Ungersbäck
doaj   +1 more source

Four results on out-of-equilibrium 2PI simulations in 3+1 dimensions

open access: yesJournal of High Energy Physics
We perform an analysis of a number of approximations and methods used in numerical simulations of real-time Kadanoff-Baym equations based on truncations of the 2PI effective action.
Anders Tranberg, Gerhard Ungersbäck
doaj   +1 more source

Quantum simulation with gauge fixing: From Ising lattice gauge theory to dynamical flux model

open access: yesPhysical Review Research
Quantum simulation of synthetic dynamic gauge field has attracted much attentions in recent years. There are two traditional ways to simulate gauge theories.
Junsen Wang, Xiangxiang Sun, Wei Zheng
doaj   +1 more source

Quantum decoherence in the Caldeira-Leggett model by the real-time path integral on a computer

open access: yesJournal of High Energy Physics
We propose first-principle calculations of an open system based on the real-time path integral formalism treating the environment as well as the system of our interest together on a computer.
Jun Nishimura, Hiromasa Watanabe
doaj   +1 more source

Exotic phases in finite-density ℤ 3 theories

open access: yesJournal of High Energy Physics
Lattice ℤ 3 theories with complex actions share many key features with finite- density QCD including a sign problem and CK $$ \mathcal{CK} $$ symmetry.
Michael C. Ogilvie   +2 more
doaj   +1 more source

Entropic order. [PDF]

open access: yesNat Commun
Han Y   +4 more
europepmc   +1 more source

Accelerating evidence generation to implementation: Establishment of the Leading Awareness to Action through Implementation of Cardiometabolic Efforts (LATTICE) consortium. [PDF]

open access: yesAm J Prev Cardiol
Jones LK   +17 more
europepmc   +1 more source

The phase diagram of quantum chromodynamics in one dimension on a quantum computer. [PDF]

open access: yesNat Commun
Than AT   +10 more
europepmc   +1 more source

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