Thermal chiral vortical and magnetic waves: New excitation modes in chiral fluids
In certain circumstances, chiral (parity-violating) medium can be described hydrodynamically as a chiral fluid with microscopic quantum anomalies. Possible examples of such systems include strongly coupled quark–gluon plasma, liquid helium 3He-A, neutron stars and the Early Universe. We study first-...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2017-06-01
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| Series: | Nuclear Physics B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0550321317301116 |
| _version_ | 1818537032233779200 |
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| author | Tigran Kalaydzhyan Elena Murchikova |
| author_facet | Tigran Kalaydzhyan Elena Murchikova |
| author_sort | Tigran Kalaydzhyan |
| collection | DOAJ |
| description | In certain circumstances, chiral (parity-violating) medium can be described hydrodynamically as a chiral fluid with microscopic quantum anomalies. Possible examples of such systems include strongly coupled quark–gluon plasma, liquid helium 3He-A, neutron stars and the Early Universe. We study first-order hydrodynamics of a chiral fluid on a vortex background and in an external magnetic field. We show that there are two previously undiscovered modes describing heat waves propagating along the vortex and magnetic field. We call them the Thermal Chiral Vortical Wave and Thermal Chiral Magnetic Wave. We also identify known gapless excitations of density (chiral vortical and chiral magnetic waves) and transverse velocity (chiral Alfvén wave). We demonstrate that the velocity of the chiral vortical wave is zero, when the full hydrodynamic framework is applied, and hence the wave is absent and the excitation reduces to the charge diffusion mode. We also comment on the frame-dependent contributions to the obtained propagation velocities. |
| first_indexed | 2024-12-11T18:45:31Z |
| format | Article |
| id | doaj.art-f504f856133d4607aa7dbe0d4fd8ce2f |
| institution | Directory Open Access Journal |
| issn | 0550-3213 1873-1562 |
| language | English |
| last_indexed | 2024-12-11T18:45:31Z |
| publishDate | 2017-06-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Nuclear Physics B |
| spelling | doaj.art-f504f856133d4607aa7dbe0d4fd8ce2f2022-12-22T00:54:29ZengElsevierNuclear Physics B0550-32131873-15622017-06-01919C17318110.1016/j.nuclphysb.2017.03.019Thermal chiral vortical and magnetic waves: New excitation modes in chiral fluidsTigran Kalaydzhyan0Elena Murchikova1Department of Physics, University of Illinois, 845 W Taylor Street, Chicago, IL 60607, USATAPIR, California Institute of Technology, MC 350-17, Pasadena, CA 91125, USAIn certain circumstances, chiral (parity-violating) medium can be described hydrodynamically as a chiral fluid with microscopic quantum anomalies. Possible examples of such systems include strongly coupled quark–gluon plasma, liquid helium 3He-A, neutron stars and the Early Universe. We study first-order hydrodynamics of a chiral fluid on a vortex background and in an external magnetic field. We show that there are two previously undiscovered modes describing heat waves propagating along the vortex and magnetic field. We call them the Thermal Chiral Vortical Wave and Thermal Chiral Magnetic Wave. We also identify known gapless excitations of density (chiral vortical and chiral magnetic waves) and transverse velocity (chiral Alfvén wave). We demonstrate that the velocity of the chiral vortical wave is zero, when the full hydrodynamic framework is applied, and hence the wave is absent and the excitation reduces to the charge diffusion mode. We also comment on the frame-dependent contributions to the obtained propagation velocities.http://www.sciencedirect.com/science/article/pii/S0550321317301116 |
| spellingShingle | Tigran Kalaydzhyan Elena Murchikova Thermal chiral vortical and magnetic waves: New excitation modes in chiral fluids Nuclear Physics B |
| title | Thermal chiral vortical and magnetic waves: New excitation modes in chiral fluids |
| title_full | Thermal chiral vortical and magnetic waves: New excitation modes in chiral fluids |
| title_fullStr | Thermal chiral vortical and magnetic waves: New excitation modes in chiral fluids |
| title_full_unstemmed | Thermal chiral vortical and magnetic waves: New excitation modes in chiral fluids |
| title_short | Thermal chiral vortical and magnetic waves: New excitation modes in chiral fluids |
| title_sort | thermal chiral vortical and magnetic waves new excitation modes in chiral fluids |
| url | http://www.sciencedirect.com/science/article/pii/S0550321317301116 |
| work_keys_str_mv | AT tigrankalaydzhyan thermalchiralvorticalandmagneticwavesnewexcitationmodesinchiralfluids AT elenamurchikova thermalchiralvorticalandmagneticwavesnewexcitationmodesinchiralfluids |