SCOAP3 Repository 12 records found  1 - 10nextSearch took 0.05 seconds. 
1. Anomaly constraint on massless QCD and the role of Skyrmions in chiral symmetry breaking / Tanizaki, Yuya
We discuss consequences of the ’t Hooft anomaly matching condition for Quantum Chromodynamics (QCD) with massless fundamental quarks. [...]
Published in JHEP 1808 (2018) 171 10.1007/JHEP08(2018)171 arXiv:1807.07666
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2. Quantum distillation of Hilbert spaces, semi-classics and anomaly matching / Dunne, Gerald ; Tanizaki, Yuya ; Ünsal, Mithat
A symmetry-twisted boundary condition of the path integral provides a suitable framework for the semi-classical analysis of nonperturbative quantum field theories (QFTs), and we reinterpret it from the viewpoint of the Hilbert space. [...]
Published in JHEP 1808 (2018) 068 10.1007/JHEP08(2018)068 arXiv:1803.02430
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3. Anomaly matching for the phase diagram of massless ZN-QCD / Tanizaki, Yuya ; Kikuchi, Yuta ; Misumi, Tatsuhiro ; Sakai, Norisuke
We elucidate that the phase diagram of massless N-flavor QCD under a ZN flavor-twisted boundary condition (massless ZN-QCD) is constrained by a ’t Hooft anomaly involving two-form gauge fields. [...]
Published in Phys. Rev. D 97 (2018) 10.1103/PhysRevD.97.054012 arXiv:1711.10487
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4. Circle compactification and ’t Hooft anomaly / Tanizaki, Yuya ; Misumi, Tatsuhiro ; Sakai, Norisuke
Anomaly matching constrains low-energy physics of strongly-coupled field theories, but it is not useful at finite temperature due to contamination from high-energy states. [...]
Published in JHEP 1712 (2017) 056 10.1007/JHEP12(2017)056 arXiv:1710.08923
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5. Global inconsistency, ’t Hooft anomaly, and level crossing in quantum mechanics / Kikuchi, Yuta ; Tanizaki, Yuya
An ’t Hooft anomaly is the obstruction for gauging symmetries, and it constrains possible low-energy behaviors of quantum field theories by excluding trivial infrared theories. [...]
Published in PTEP 2017 (2017) 113B05 10.1093/ptep/ptx148 arXiv:1708.01962
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6. Gradient flows without blow-up for Lefschetz thimbles / Tanizaki, Yuya ; Nishimura, Hiromichi ; Verbaarschot, Jacobus
We propose new gradient flows that define Lefschetz thimbles and do not blow up in a finite flow time. [...]
Published in JHEP 1710 (2017) 100 10.1007/JHEP10(2017)100 arXiv:1706.03822
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7. Vacuum structure of bifundamental gauge theories at finite topological angles / Tanizaki, Yuya ; Kikuchi, Yuta
We discuss possible vacuum structures of SU( n ) × SU( n ) gauge theories with bifundamental matters at finite θ angles. [...]
Published in JHEP 1706 (2017) 102 10.1007/JHEP06(2017)102 arXiv:1705.01949
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8. Multi-flavor massless QED 2 at finite densities via Lefschetz thimbles / Tanizaki, Yuya ; Tachibana, Motoi
We consider multi-flavor massless (1 + 1)-dimensional QED with chemical potentials at finite spatial length and the zero-temperature limit. [...]
Published in JHEP 1702 (2017) 081 10.1007/JHEP02(2017)081 arXiv:1612.06529
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9. Complex saddle points and the sign problem in complex Langevin simulation / Hayata, Tomoya ; Hidaka, Yoshimasa ; Tanizaki, Yuya
We show that complex Langevin simulation converges to a wrong result within the semiclassical analysis, by relating it to the Lefschetz-thimble path integral, when the path-integral weight has different phases among dominant complex saddle points. [...]
Published in Nuclear Physics B (2016) 10.1016/j.nuclphysb.2016.07.031
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10. Lefschetz-thimble analysis of the sign problem in one-site fermion model / Tanizaki, Yuya ; Hidaka, Yoshimasa ; Hayata, Tomoya
The Lefschetz-thimble approach to path integrals is applied to a one-site model of electrons, i.e., the one-site Hubbard model. [...]
Published in New J. Phys. 18 (2016) 033002 10.1088/1367-2630/18/3/033002 arXiv:1509.07146
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