English
Related papers

Related papers: Critical frequency in nuclear chiral rotation

200 papers

We report on the first Skyrme-Hartree-Fock calculations with the tilted-axis cranking in the context of magnetic rotation. The mean field symmetries, differences between phenomenological and self-consistent methods and the generation of…

Nuclear Theory · Physics 2007-05-23 P. Olbratowski , J. Dobaczewski , J. Dudek , T. Rzaca-Urban , Z. Marcinkowska , R. M. Lieder

Rotation-induced time-odd components in the nuclear mean field are analyzed using the Hartree-Fock cranking approach with effective interactions SIII, SkM*, and SkP. Identical dynamical moments ${{\cal J}^{(2)}}$ are obtained for pairs of…

Nuclear Theory · Physics 2016-09-08 J. Dobaczewski , J. Dudek

The rotational bands in nuclei with $Z \approx 100$ are investigated systematically by using a cranked shell model (CSM) with the pairing correlations treated by a particle-number conserving (PNC) method, in which the blocking effects are…

Nuclear Theory · Physics 2012-01-27 Zhen-Hua Zhang , Xiao-Tao He , Jin-Yan Zeng , En-Guang Zhao , Shan-Gui Zhou

It is shown that the critical velocity of a small sphere oscillating in superfluid helium increases with the square root of the oscillation frequency. This behavior can be described by a simple dimensional argument. The size of the sphere…

Other Condensed Matter · Physics 2008-01-17 R. Hänninen , W. Schoepe

Current work explores the impact of gamma-softness on partner bands built on the h11/2h11/2 proton-particle-neutron-hole configurations in triaxial odd-odd nuclei. The results of calculations conducted using a core-particle-hole coupling…

Nuclear Theory · Physics 2009-11-11 K. Starosta , M. A. Caprio , T. Koike , R. Kruecken , C. Vaman

The Chiral Confining Lagrangian, based on the chiral theory with quark degrees of freedom, is used to study the spectroscopy of scalar mesons. The formalism does not contain arbitrary fitting parameters and takes into account infinite…

High Energy Physics - Phenomenology · Physics 2020-06-24 M. S. Lukashov , Yu. A. Simonov

Binary systems with a neutron-star primary accreting from a companion star display variability in the X-ray band on time scales ranging from years to milliseconds. With frequencies of up to ~1300 Hz, the kilohertz quasi-periodic…

High Energy Astrophysical Phenomena · Physics 2020-11-11 Mariano Méndez , Tomaso M. Belloni

We show that in the limit of low masses (M<0.1M solar), the orbital and rotational frequencies in exact relativistic numerical models of rotating, axially symmetric, quark stars coincide with those for Maclaurin spheroids. In particular,…

Astrophysics · Physics 2011-05-23 P. Amsterdamski , T. Bulik , D. Gondek-Rosinska , W. Kluzniak

Structure of eight superdeformed bands in the nucleus 151Tb is analyzed using the results of the Hartree-Fock and Woods-Saxon cranking approaches. It is demonstrated that far going similarities between the two approaches exist and…

The dynamics of chiral nuclei is investigated for the first time with the time-dependent and tilted axis cranking covariant density functional theories on a three-dimensional space lattice in a microscopic and self-consistent way. The…

Nuclear Theory · Physics 2022-02-08 Z. X. Ren , P. W. Zhao , J. Meng

The two-terminal conductance of a random flux model defined on a square lattice is investigated numerically at the band center using a transfer matrix method. Due to the chiral symmetry, there exists a critical point where the ensemble…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 L. Schweitzer , P. Markoš

The effect of rotation on the explosion of core-collapse supernovae is investigated systematically in three-dimensional simulations. In order to obtain the critical conditions for explosion as a function of mass accretion rate, neutrino…

High Energy Astrophysical Phenomena · Physics 2014-09-03 Wakana Iwakami , Hiroki Nagakura , Shoichi Yamada

In the sequel of the present study, we have investigated the rotational motion of triaxially deformed nucleus by using the microscopic framework of angular-momentum projection. The Woods-Saxon potential and the schematic separable-type…

Nuclear Theory · Physics 2018-02-21 Mitsuhiro Shimada , Yudai Fujioka , Shingo Tagami , Yoshifumi R. Shimizu

We compute the critical coupling constant for the dynamical chiral-symmetry breaking in a model of quantum chromodynamics, solving numerically the quark self-energy using infrared finite gluon propagators found as solutions of the…

High Energy Physics - Phenomenology · Physics 2009-10-30 A. A. Natale , P. S. Rodrigues da Silva

We study the chiral phase transition within the Linear Sigma Model with quarks from its thermodynamical potential considering quantum corrections up to ring diagrams in the high-temperature regime. Demanding a second order phase transition…

High Energy Physics - Phenomenology · Physics 2024-05-29 Saúl Hernández-Ortiz , Ricardo Martínez von Dossow , Alfredo Raya

Chirality is a fundamental concept in physics that underpins various phenomena in nonlinear optics, quantum physics, and topological photonics. Although the spin of a photon naturally brings chirality, orbital angular momentum can also…

We demonstrate a novel optical microresonator gyroscope whose responsivity to rotation is enhanced by a factor of around $10^4$ by operating close to the critical point of a spontaneous symmetry breaking transition between…

The recently observed high-spin rotational bands in odd-$A$ nuclei $^{247, 249}$Cm and $^{249}$Cf [Tandel \textit{et al.}, Phys. Rev. C 82 (2010) 041301R] are investigated by using the cranked shell model (CSM) with the pairing correlations…

Nuclear Theory · Physics 2015-03-17 Zhen-Hua Zhang , Jin-Yan Zeng , En-Guang Zhao , Shan-Gui Zhou

A compelling feature of relativistic mean-field phenomenology has been the reproduction of spin-orbit splittings in finite nuclei after fitting only to equilibrium properties of infinite nuclear matter. This successful result occurs when…

Nuclear Theory · Physics 2009-10-30 R. J. Furnstahl , John J. Rusnak , Brian D. Serot

We investigate radial oscillations of proto-neutron stars, employing equations of state described by the Brueckner-Hartree-Fock theory or the relativistic mean field model, and assuming isentropy and fixed lepton fractions for the internal…

Nuclear Theory · Physics 2024-08-14 T. T. Sun , H. Chen , J. B. Wei , Z. Y. Zheng , G. F. Burgio , H. -J. Schulze