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We study the effect of inelastic scattering on the spin entanglement detection and discrimination scheme proposed by Egues, Burkard, and Loss [Phys. Rev. Lett. \textbf{89}, 176401 (2002)]. The finite-backscattering beam splitter geometry is…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Pablo San-Jose , Elsa Prada

A method is described for estimating effective scattering lengths via spectroscopy on a trapped pair of atoms. The method relies on the phenomena that the energy levels of two atoms in a harmonic trap are shifted by their collisional…

Quantum Physics · Physics 2009-11-11 S. Shresta , E. Tiesinga , C. J. Williams

The scattering length in a BEC confined in an amplitude - modulated optical lattice can be manipulated by the modulation strength. Two standing laser waves of main and sideband frequencies of an optical lattice induce a Raman transition;…

Atomic Physics · Physics 2007-05-23 G. M. Genkin

Nucleon-nucleon potential is given in coordinate space starting from the Bethe-Salpeter equation appropriate to elastic scattering at the intermediate energy region. The next order in the potential is added to construct the scattering wave…

Nuclear Theory · Physics 2017-06-06 Susumu Kinpara

Spin transport properties of a spin-polarized two-dimensional electron gas are studied in the presence of electron-electron interactions. Longitudinal and transverse spin diffusion coefficients are calculated with the quantum transport…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Yutaka Takahashi , Kosuke Shizume , Naoto Masuhara

The nuclear spins of ionized donors in silicon have become an interesting quantum resource due to their very long coherence times. Their perfect isolation, however, comes at a price, since the absence of the donor electron makes the nuclear…

The spin diffusion/transport in $n$-type (001) GaAs quantum well at high temperatures ($\ge120$ K) is studied by setting up and numerically solving the kinetic spin Bloch equations together with the Poisson equation self-consistently. All…

Materials Science · Physics 2007-05-23 J. L. Cheng , M. W. Wu

A numerical investigation of two-laser photoassociation (PA) spectroscopy on spin-polarized metastable helium (He*) atoms is presented within the context of experimental observation of the least-bound energy level in the scattering…

Other Condensed Matter · Physics 2009-11-10 J. C. J. Koelemeij , M. Leduc

Spintronic nano-oscillators with reduced non-linearity could offer key benefits for realizing neuromorphic applications such as spike-based neurons and frequency multiplexing in neural networks. Here, we experimentally demonstrate the…

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

Bose-Einstein condensation has been achieved in a magnetically trapped sample of 85Rb atoms. Long-lived condensates of up to 10^4 atoms have been produced by using a magnetic-field-induced Feshbach resonance to reverse the sign of the…

Condensed Matter · Physics 2009-10-31 S. L. Cornish , N. R. Claussen , J. L. Roberts , E. A. Cornell , C. E. Wieman

We investigated the development and breaking of the dineutron correlation in $^{10}$Be by analyzing the elastic and inelastic scatterings with a framework combing the microscopic structure and reaction models. For studying the structure,…

Nuclear Theory · Physics 2021-09-15 T. Furumoto , T. Suhara , N. Itagaki

We study the dynamical quasiparticle scattering by spin and charge fluctuations in Fe-based pnictides within a five-orbital model with on-site interactions. The leading contribution to the scattering rate is calculated from the second-order…

Superconductivity · Physics 2011-05-25 A. F. Kemper , M. M. Korshunov , T. P. Devereaux , J. N. Fry , H-P. Cheng , P. J. Hirschfeld

We report neutron inelastic scattering experiments on single crystal PbMg$_{1/3}$Nb$_{2/3}$O$_{3}$ doped with 32\% PbTiO$_{3}$, a relaxor ferroelectric that lies close to the morphotropic phase boundary. When cooled under an electric field…

Materials Science · Physics 2016-01-06 John A. Schneeloch , Zhijun Xu , B. Winn , C. Stock , P. M. Gehring , R. J. Birgeneau , Guangyong Xu

Low-energy baryon-baryon interactions are calculated in a high-statistics lattice QCD study on a single ensemble of anisotropic clover gauge-field configurations at a pion mass of m_\pi ~ 390 MeV, a spatial volume of L^3 ~ (2.5 fm)^3, and a…

High Energy Physics - Lattice · Physics 2010-05-12 Silas R. Beane , William Detmold , Huey-Wen Lin , Thomas C. Luu , Kostas Orginos , Martin J. Savage , Aaron Torok , Andre Walker-Loud

We report on the spin.dependent neutron scattering length on 3He from a microscopic calculation of p-3H, n-3He, and d-2H scattering employing the Argonne v18 nucleon-nucleon potential with and without additional three-nucleon force. The…

Nuclear Theory · Physics 2009-11-10 H. M. Hofmann , G. M. Hale

The case for a dibaryon resonance, appearing in np scattering, has support from a WASA-at-COSY measurement of the polarization quantity A_y over a center-of-mass energy region suggested by structures seen earlier in two-pion production…

Nuclear Theory · Physics 2016-04-06 R. L. Workman , W. J. Briscoe , I. I. Strakovsky

Analysis of solar magnetic fields using observations as well as theoretical interpretations of the scattering polarization is commonly designated as a high priority area of the solar research. The interpretation of the observed polarization…

Solar and Stellar Astrophysics · Physics 2017-04-26 M. Derouich , H. Basurah , B. Badruddin

We investigate the scattering halos resulting from collisions between discrete momentum components in the time-of-flight expansion of interaction-tunable $^6\rm Li_2$ molecular Bose-Einstein condensates. A key highlight of this study is the…

Quantum Gases · Physics 2025-04-22 Yuying Chen , Zhengxi Zhang , Chi-Kin Lai , Yun Liang , Hongmian Shui , Haixiang Fu , Fansu Wei , Xiaoji Zhou

Temperature dependent nuclear inelastic-scattering (NIS) of synchrotron radiation was applied to investigate both spin states of the spin-crossover complex [Fe(tpa)(NCS)(2)] (tpa = tris(2-pyridylmethyl)amine). A remarkable increase of the…

Chemical Physics · Physics 2012-06-29 H. Grünsteudel , H. Paulsen , H. Winkler , A. X. Trautwein , H. Toftlund
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