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Nonmagnetic spheres confined in a ferrofluid layer (magnetic holes) present dipolar interactions when an external magnetic field is exerted. The interaction potential of a microsphere pair is derived analytically, with a precise care for…

Soft Condensed Matter · Physics 2009-11-10 Renaud Toussaint , Jørgen Akselvoll , Eirik G. Flekkøy , Geir Helgesen , Arne T. Skjeltorp

In quantum information processing, one of the most useful interaction between qubits is the Ising type interaction. We propose a scheme to implement the exact Ising interaction through magnetic dipole-dipole interaction. Although magnetic…

Quantum Physics · Physics 2015-06-19 Sang Jae Yun , Jaewan Kim , Chang Hee Nam

We study a spinor condensate of Rb-87 atoms in F = 1 hyperfine state confined in an optical dipole trap. Putting initially all atoms in mF = 1 component we observe a significant transfer of atoms to other, initially empty Zeeman states…

We theoretically investigate the properties of highly polar diatomic molecules containing $^2S$-state transition-metal atoms. We calculate potential energy curves, permanent electric dipole moments, spectroscopic constants, and leading…

Atomic Physics · Physics 2021-02-16 Michał Śmiałkowski , Michał Tomza

By using an unbiased quantum Monte Carlo method, we investigate the hard-core Bose-Hubbard model on a square lattice with anisotropic dipole-dipole interaction. To study the effect of the anisotropy, dipole moments are assumed to be…

Quantum Gases · Physics 2013-01-01 Takahiro Ohgoe , Takafumi Suzuki , Naoki Kawashima

We examine the low-lying collective quasiparticle modes of a quasi-one-dimensional mixture of Bose-Einstein condensates having dipolar and non-dipolar atomic species. The dipolar atomic species have permanent magnetic dipolar moments. We…

Quantum Gases · Physics 2025-12-09 Harsimranjit Kaur , Kuldeep Suthar

We demonstrate that atoms in magnetically insensitive hyperfine states (m=0) can be trapped efficiently by a Bose-Einstein Condensate of the same atomic species occupying a different hyperfine state. The latter is trapped magnetically.…

Other Condensed Matter · Physics 2008-11-17 Stephan Middelkamp , Igor Lesanovsky , Peter Schmelcher

We propose a protocol which utilises radio frequency magnetic pulses in order to tune the effective two-particle scattering amplitudes for alkali atoms in the $F=1$ hyperfine ground state. Unlike the Feshbach resonance method, the proposed…

Quantum Gases · Physics 2017-05-04 V. Cheianov , A. L. Chudnovskiy

Two identical dipolar atoms moving in a harmonic trap without an external magnetic field are investigated. Using the algebra of angular momentum a semi - analytical solutions are found. We show that the internal spin - spin interactions…

Quantum Gases · Physics 2016-07-20 Rafał Ołdziejewski , Wojciech Górecki , Kazimierz Rzążewski

Magnetometry is an important tool prevalent in many applications such as fundamental research, material characterization and biological imaging. Atomic magnetometry conventionally makes use of two quantum states, the energy difference of…

Quantum Physics · Physics 2019-10-02 Yotam Shapira , Yehonatan Dallal , Roee Ozeri , Ady Stern

We demonstrate the tuning of the magnetic dipole-dipole interaction (DDI) within a dysprosium Bose-Einstein condensate by rapidly rotating the orientation of the atomic dipoles. The tunability of the dipolar mean-field energy manifests as a…

Quantum Gases · Physics 2018-06-13 Yijun Tang , Wil Kao , Kuan-Yu Li , Benjamin L. Lev

By leveraging the hyperfine interaction between the rotational and nuclear spin degrees of freedom, we demonstrate extensive magnetic control over the electric dipole moments, electric dipolar interactions, and ac Stark shifts of…

Atomic Physics · Physics 2024-01-11 Rebekah Hermsmeier , Ana Maria Rey , Timur V. Tscherbul

Mixtures of ultracold gases with long-range interactions are expected to open new avenues in the study of quantum matter. Natural candidates for this research are spin mixtures of atomic species with large magnetic moments. However, the…

Quantum Gases · Physics 2025-12-01 Maxime Lecomte , Alexandre Journeaux , Julie Veschambre , Jean Dalibard , Raphael Lopes

The main properties and methods of describing dipolar and spinor atomic systems, composed of bosonic atoms or molecules, are reviewed. The general approach for the correct treatment of Bose-condensed atomic systems with nonlocal interaction…

Quantum Gases · Physics 2018-05-09 V. I. Yukalov

For studying the interplay of dipolar interaction and anisotropy energy in systems of ultrafine magnetic particles we consider simple cubic systems of magnetic dipoles with anisotropy axes pointing into the $z$-direction. Using Monte Carlo…

Disordered Systems and Neural Networks · Physics 2009-11-11 Stefanie Russ , Armin Bunde

We investigate dipolar Bose-Einstein condensates in a complex external double-well potential that features a combined parity and time-reversal symmetry. On the basis of the Gross-Pitaevskii equation we study the effects of the long-ranged…

Recent experimental progress in magnetic atoms and polar molecules has created the prospect of simulating dipolar Hubbard models with off-site interactions. When applied to real-space cylindrical optical lattices, these anisotropic…

Quantum Gases · Physics 2022-05-05 Michael Hughes , Dieter Jaksch

The behaviour of the interaction of the induced electric dipole moment of an atom with a uniform magnetic field and a non-uniform electric field are investigated in a rotating reference frame. An interesting aspect of this interaction is…

Quantum Physics · Physics 2019-03-08 K. Bakke , C. Salvador

The simultaneous presence of two competing inter-particle interactions can lead to the emergence of new phenomena in a many-body system. Among others, such effects are expected in dipolar Bose-Einstein condensates, subject to dipole-dipole…

Quantum Gases · Physics 2016-10-20 Igor Ferrier-Barbut , Matthias Schmitt , Matthias Wenzel , Holger Kadau , Tilman Pfau

This paper reviews current experimental and theoretical progress in the study of dipolar quantum gases of ground and meta-stable atoms with a large magnetic moment. We emphasize the anisotropic nature of Feshbach resonances due to coupling…

Atomic Physics · Physics 2015-06-23 Svetlana Kotochigova