English
Related papers

Related papers: Spin polarized liquid 3He

200 papers

We have used the lowest order constrained variational (LOCV) method to calculate some ground state properties of polarized liquid $^{3}He$ at zero temperature with the spin-dependent correlation function employing the Lennard-Jones and Aziz…

Statistical Mechanics · Physics 2015-05-13 G. H. Bordbar , M. J. Karimi

We have investigated some of the thermodynamic properties of spin polarized liquid $^3\mathrm{He}$ at finite temperature using the lowest order constrained variational method. For this system, the free energy, entropy and pressure are…

Statistical Mechanics · Physics 2009-11-13 G. H. Bordbar , M. J. Karimi , J. Vahedi

We have performed a Quantum Monte Carlo study of a two-dimensional bulk sample of interacting 1/2-spin structureless fermions, a model of $^3$He adsorbed on a variety of preplated graphite substrates. We have computed the equation of state…

Statistical Mechanics · Physics 2015-05-27 M. Nava , E. Vitali , A. Motta , D. E. Galli , S. Moroni

We calculate the ground state energy of cold and dense spin polarized quark matter with corrections due to correlation energy $(E_{corr})$. Expressions for $E_{corr}$ both in the non-relativistic and ultra-relativistic regimes have been…

High Energy Physics - Phenomenology · Physics 2009-08-26 Kausik Pal , Subhrajyoti Biswas , Abhee K. Dutt-Mazumder

We examine the consequences of a recent model describing correlated zero-point polarization of the electronic cloud in solid $^3$He. This polarization arises from the highly anisotropic and correlated dynamic mixing of the $s$ and $p$…

Condensed Matter · Physics 2007-05-23 Nir Gov

We show that there are restrictions on the maximum tipping angle that can be used without significantly raising the temperature of the He-3 distribution in high B/T spin-echo experiments with pure liquid He-3 and He3-He4 solutions. The…

Statistical Mechanics · Physics 2007-05-23 R. Ragan , K. Grunwald , C. Glenz

We present a general formulation of the ground state binding energy of a shallow hydrogenic impurity in spherical quantum dot with parabolic confinement, considering the effects of polarization and self energy. The variational approach…

Mesoscale and Nanoscale Physics · Physics 2018-05-04 Samrat Sarkar , Supratik Sarkar , Chayanika Bose

We evaluate the charge and longitudinal spin response functions of a two-dimensional electron gas with $e^2/r$ interactions in an arbitrary state of spin polarization, using a structurally self-consistent approach to treat exchange and…

Strongly Correlated Electrons · Physics 2015-06-24 B. Davoudi , M. P. Tosi

The ground state energy of the two--dimensional uniform electron gas has been calculated with fixed--node diffusion Monte Carlo, including backflow correlations, for a wide range of electron densities as a function of spin polarization. We…

Strongly Correlated Electrons · Physics 2009-11-07 Claudio Attaccalite , Saverio Moroni , Paola Gori-Giorgi , Giovanni B. Bachelet

We study the longitudinal spin polarization of a relativistic fluid of massive spin-1/2 particles undergoing a boost-invariant expansion in the longitudinal direction and rotating in the transverse plane. We express the polarization vector…

Nuclear Theory · Physics 2025-03-18 Nora Weickgenannt , Jean-Paul Blaizot

The ground-state properties of spin polarized hydrogen H$\downarrow$ are obtained by means of diffusion Monte Carlo calculations. Using the most accurate to date ab initio H$\downarrow$-H$\downarrow$ interatomic potential we have studied…

Other Condensed Matter · Physics 2007-05-23 L. Vranjes Markic , J. Boronat , J. Casulleras

To determine the state of spin polarization of the 3D electron gas at very low densities and zero temperature, we calculate the energy versus spin polarization using Diffusion Quantum Monte Carlo methods with backflow wavefunctions and…

Strongly Correlated Electrons · Physics 2009-11-07 F. H. Zong , C. Lin , D. M. Ceperley

We investigate Collisionless Shock Acceleration of spin-polarized ${}^3$He for laser pulses with normalized vector potentials in the range $a_0 = 100-200$. The setup utilized in the 2D-PIC simulations consists of a solid Carbon foil that is…

Plasma Physics · Physics 2024-12-10 Lars Reichwein , Xiaofei Shen , Alexander Pukhov , Markus Büscher

The influence of an external electric field on the spin dynamics of an electrically neutral Fermi liquid is considered, the mechanism of such an influence being the relativistic spin-orbital interaction. As a result, Leggett's equations for…

Condensed Matter · Physics 2007-05-23 P. L. Krotkov

We report the results of theoretical and experimental investigation of spin diffusion in the normal phase of liquid $^3$He confined in planar aerogel: a material consisting of nanostrands which are almost parallel to a specific plane and…

Other Condensed Matter · Physics 2020-11-30 V. V. Dmitriev , M. S. Kutuzov , L. A. Melnikovsky , B. D. Slavov , A. A. Soldatov , A. N. Yudin

Angular Distributions for the target spin-dependent observables A$_{0y}$, A$_{xx}$, and A$_{yy}$ have been measured using polarized proton beams at several energies between 2 and 6 MeV and a spin-exchange optical pumping polarized $^3$He…

Nuclear Experiment · Physics 2015-03-13 T. V. Daniels , C. W. Arnold , J. M. Cesaratto , T. B. Clegg , A. H. Couture , H. J. Karwowski , T. Katabuchi

We have searched for a short-range spin-dependent interaction using the spin relaxation of hyperpolarized $^3$He. Such a new interaction would be mediated by a hypothetical light scalar boson with \CP-violating couplings to the neutron. The…

High Energy Physics - Experiment · Physics 2016-01-20 Mathieu Guigue , David Jullien , Alexander K. Petukhov , Guillaume Pignol

We present new trial wave-functions which include 3-body correlations into the backflow coordinates and a 4-body symmetric potential. We show that our wavefunctions lower the energy enough to stabilize the ground state energies of normal…

Strongly Correlated Electrons · Physics 2011-05-13 Markus Holzmann , Bernard Bernu , D. M. Ceperley

A spin-polarized triplet metastable helium (He*) beam has been used as a probe for surface magnetism, but changes in the spin state during scattering from a surface remain unclear. In the present study, we explored this issue by…

Atomic Physics · Physics 2023-02-22 Haruka Maruyama , Mitsunori Kurahashi , Kanta Asakawa , Atsushi Hatakeyama

The Helmholtz free energy F of the interacting 2-D electron fluid is calculated nonperturbatively using a mapping of the quantum fluid to a classical Coulomb fluid [Phys. Rev. Letters, vol. 87, 206404 (2001)]. For density parameters rs such…

Strongly Correlated Electrons · Physics 2009-11-07 M. W. C. Dharma-wardana , François Perrot
‹ Prev 1 2 3 10 Next ›