Results 91 to 100 of about 34,391 (232)

Coherent Stokes Raman Scattering for Simultaneous Measurement of CO2 and CH4 Temperatures

open access: yesJournal of Raman Spectroscopy, EarlyView.
A three‐beam hybrid fs/ps CSRS method is employed to excite the rovibrational transitions in the Fermi‐dyad of CO2$$ {}_2 $$ and the v2$$ {v}_2 $$ mode of CH4$$ {}_4 $$. Time‐domain spectroscopic models are developed to extract the fuel and flame temperature profiles from experimental CH4$$ {}_4 $$ and CO2$$ {}_2 $$ spectra in a diffusion flame ...
Alexander M. Warner   +3 more
wiley   +1 more source

Weak-singlet fermions: Models and constraints [PDF]

open access: yes, 2000
We employ data from precision electroweak tests and collider searches to derive constraints on the possibility that weak-singlet fermions mix with the ordinary Standard Model fermions.
Popovic, Marko B, Simmons, Elizabeth H
core   +1 more source

Temperature in fermion systems and the chiral fermion determinant [PDF]

open access: yesPhysical Review D, 2000
24 pages, some figures, to be published in Phys.Rev ...
openaire   +2 more sources

From Moral Supervenience to Moral Contingentism (In One Easy Step!)

open access: yesAnalytic Philosophy, EarlyView.
ABSTRACT According to the Divide & Conquer (DC) strategy (Fogal and Risberg 2020) for explaining moral supervenience, the modal covariation between moral and natural properties can be partly explained by appeal to pure moral principles. Bhogal (2022) has recently argued that DC fails.
Alexios Stamatiadis‐Bréhier
wiley   +1 more source

Dark fermions and spontaneous CP violation in SU(2)-axion inflation

open access: yesJournal of High Energy Physics, 2020
Remarkably, if CP was spontaneously broken in the physics of inflation, fermions would notice and remember it. Based on that, we present a new (non-thermal) mechanism for generating self-interacting dark Dirac fermions prior to the Hot Big Bang.
Azadeh Maleknejad
doaj   +1 more source

Lattice fermions as spectral graphs

open access: yesJournal of High Energy Physics, 2022
We study lattice fermions from the viewpoint of spectral graph theory (SGT). We find that a fermion defined on a certain lattice is identified as a spectral graph. SGT helps us investigate the number of zero eigenvalues of lattice Dirac operators even on
Jun Yumoto, Tatsuhiro Misumi
doaj   +1 more source

ON FERMION ENTANGLEMENT

open access: yesFluctuation and Noise Letters, 2005
Under the historical definition of entanglement, namely that encountered in Einstein–Podolski–Rosen (EPR)–type experiments, it is shown that a particular Slater determinant is entangled. Thus a definition which holds that any Slater determinant is unentangled, found in the literature, is inconsistent with the historical definition. A generalization of
openaire   +2 more sources

Composite fermions and the Fermion–Chern–Simons theory [PDF]

open access: yesPhysica E: Low-dimensional Systems and Nanostructures, 2003
The concept of composite fermions, and the related Fermion-Chern-Simons theory, have been powerful tools for understanding quantum Hall systems with a partially full lowest Landau level. We shall review some of the successes of the Fermion-Chern-Simons theory, as well as some limitations and outstanding issues.
openaire   +2 more sources

Chiral fermions on the lattice [PDF]

open access: yesParallel Computing, 1999
The Overlap-Dirac operator provides a lattice regularization of massless vector gauge theories with an exact chiral symmetry. Practical implementations of this operator and recent results in quenched QCD using this Overlap-Dirac operator are reviewed.
Robert G. Edwards   +2 more
openaire   +3 more sources

The Huang–Yang Formula for the Low‐Density Fermi Gas: Upper Bound

open access: yesCommunications on Pure and Applied Mathematics, Volume 79, Issue 8, Page 1919-1972, August 2026.
ABSTRACT We study the ground state energy of a gas of spin 1/2$1/2$ fermions with repulsive short‐range interactions. We derive an upper bound that agrees, at low density ϱ$\varrho$, with the Huang–Yang conjecture. The latter captures the first three terms in an asymptotic low‐density expansion, and in particular the Huang–Yang correction term of order
Emanuela L. Giacomelli   +3 more
wiley   +1 more source

Home - About - Disclaimer - Privacy