Physical Review Letters (APS)

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2018-11-16
22:16
Primordial Anisotropies in the Gravitational Wave Background from Cosmological Phase Transitions / Geller, Michael ; Hook, Anson ; Sundrum, Raman ; Tsai, Yuhsin
Phase transitions in the early Universe can readily create an observable stochastic gravitational wave background. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.201303 arXiv:1803.10780
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2018-11-16
22:16
Novel |Vus| Determination Using Inclusive Strange τ Decay and Lattice Hadronic Vacuum Polarization Functions / Boyle, Peter ; Hudspith, Renwick James ; Izubuchi, Taku ; Jüttner, Andreas ; et al
We propose and apply a new approach to determining |Vus| using dispersion relations with weight functions having poles at Euclidean (spacelike) momentum which relate strange hadronic τ decay distributions to hadronic vacuum polarization (HVP) functions obtained from lattice quantum chromodynamics. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.202003 arXiv:1803.07228
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2018-11-16
22:16
Precise Predictions of Charmed-Bottom Hadrons from Lattice QCD / Mathur, Nilmani ; Padmanath, M. ; Mondal, Sourav
We report the ground state masses of hadrons containing at least one charm and one bottom quark using lattice quantum chromodynamics. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.202002 arXiv:1806.04151
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2018-11-16
14:16
Measurement of Reactor Antineutrino Oscillation Amplitude and Frequency at RENO / Bak, G. ; Choi, J. H. ; Jang, H. I. ; Jang, J. S. ; et al
The RENO experiment reports more precisely measured values of θ13 and |Δmee2| using 2200 live days of data. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.201801 arXiv:1806.00248
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2018-11-15
18:20
Cosmic QCD Epoch at Nonvanishing Lepton Asymmetry / Wygas, Mandy M. ; Oldengott, Isabel M. ; Bödeker, Dietrich ; Schwarz, Dominik J.
We investigate how a lepton asymmetry impacts the cosmic trajectory in the QCD phase diagram. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.201302 arXiv:1807.10815
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2018-11-15
18:20
Next-to-Next-to-Next-to-Leading Order Pressure of Cold Quark Matter: Leading Logarithm / Gorda, Tyler ; Kurkela, Aleksi ; Romatschke, Paul ; Säppi, Matias ; et al
At high baryon chemical potential μB, the equation of state of QCD allows a weak-coupling expansion in the QCD coupling αs. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.202701 arXiv:1807.04120
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2018-11-15
18:20
New Predictions for ΛbΛc Semileptonic Decays and Tests of Heavy Quark Symmetry / Bernlochner, Florian U. ; Ligeti, Zoltan ; Robinson, Dean J. ; Sutcliffe, William L.
The heavy quark effective theory makes model independent predictions for semileptonic ΛbΛc decays in terms of a small set of parameters. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.202001 arXiv:1808.09464
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2018-11-15
18:20
Small Magnetic Charges and Monopoles in Nonassociative Quantum Mechanics / Bojowald, Martin ; Brahma, Suddhasattwa ; Büyükçam, Umut ; Guglielmon, Jonathan ; et al
Weak magnetic monopoles with a continuum of charges less than the minimum implied by Dirac’s quantization condition may be possible in nonassociative quantum mechanics. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.201602 arXiv:1810.06540
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2018-11-15
02:16
Nonperturbative Renormalization of Operators in Near-Conformal Systems Using Gradient Flows / Carosso, Andrea ; Hasenfratz, Anna ; Neil, Ethan T.
We propose a continuous real space renormalization group transformation based on gradient flow, allowing for a numerical study of renormalization without the need for costly ensemble matching. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.201601 arXiv:1806.01385
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2018-11-09
18:16
Fermions at Finite Density in 2+1 Dimensions with Sign-Optimized Manifolds / Alexandru, Andrei ; Bedaque, Paulo F. ; Lamm, Henry ; Lawrence, Scott ; et al
We present Monte Carlo calculations of the thermodynamics of the (2+1)-dimensional Thirring model at finite density. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.191602 arXiv:1808.09799
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