Výsledky vyhledávání - "Koetsier, A.O."

The Imbalanced antiferromagnet in an optical lattice

Autor: Koetsier, A.O., van Liere, F., Stoof, H.T.C., Theoretical Physics, Dep Natuurkunde, Sub Cond-Matter Theory, Stat & Comp Phys

Publikováno v: Physical review. A, Atomic, molecular and optical physics, 81, 023628/1. American Physical Society

We study the rich properties of the imbalanced antiferromagnet in an optical lattice. We present its phase diagram, discuss spin waves, and explore the emergence of topological excitations in two dimensions, known as merons, which are responsible for

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::66878ec5994ba1712ec4767d9f8c28b6
https://dspace.library.uu.nl/handle/1874/204063

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Strongly Interacting Fermions in Optical Lattices

Autor: Koetsier, A.O.

This thesis explores certain extraordinary phenomena that occur when a gas of neutral atoms is cooled to the coldest temperatures in the universe --- much colder, in fact, than the electromagnetic radiation that permeates the vacuum of interstellar s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______101::c20a628151e95f834e40161900007e36
https://dspace.library.uu.nl/handle/1874/34211

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Strongly Interacting Fermions in Optical Lattices

Autor: Koetsier, A.O., Dep Natuurkunde

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::afa0495a58bb5f54d48e3dc9e8e17262
https://dspace.library.uu.nl/handle/1874/34211

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Strongly interacting Bose gas: Nozières and Schmitt-Rink theory and beyond

Autor: Koetsier, A.O., Massignan, P.A., Duine, R.A., Stoof, H.T.C.

We calculate the critical temperature for Bose-Einstein condensation in a gas of bosonic atoms across a Feshbach resonance and show how medium effects at negative scattering lengths give rise to pairs reminiscent of the ones responsible for fermionic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______101::94ac91ef47cbb1b5e437874cc092967b
https://dspace.library.uu.nl/handle/1874/42462

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Strongly interacting Bose gas: Nozières and Schmitt-Rink theory and beyond

Autor: Koetsier, A.O., Massignan, P.A., Duine, R.A., Stoof, H.T.C., Instituut Theoretische Fysica, Theoretical Physics, Dep Natuurkunde, Sub Cond-Matter Theory, Stat & Comp Phys

Publikováno v: Physical review. A, Atomic, molecular and optical physics, 79(6), 063609/1. American Physical Society

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::2e23f5ef5ee115c856f6f44f90b0f8f0
https://dspace.library.uu.nl/handle/1874/42462

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Achieving the Néel state in an optical lattice

Autor: Koetsier, A.O., Duine, R.A., Bloch, Immanuel, Stoof, H.T.C., Condensed Matter Theory, Statistical and Computational Physics, Dep Natuurkunde

Publikováno v: Physical review. A, Atomic, molecular and optical physics, 77(023623), 1. American Physical Society

We theoretically study the possibility of reaching the antiferromagnetic phase of the Hubbard model by starting from a normal gas of trapped fermionic atoms and adiabatically ramping up an optical lattice. Requirements on the initial temperature and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::a85e7cb6479a7103e9037279faf43289
https://dspace.library.uu.nl/handle/1874/32736

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BEC–BCS crossover in an optical lattice

Autor: Koetsier, A.O., Dickerscheid, D.B.M., Stoof, H.T.C.

We present the microscopic theory for the BEC–BCS crossover of an atomic Fermi gas in an optical lattice, showing that the Feshbach resonance underlying the crossover in principle induces strong multiband effects. Nevertheless, the BEC–BCS crosso

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::73d0cef509d249f8eb7d5845649e1304
https://dspace.library.uu.nl/handle/1874/23778

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