Zoo of quantum phases and excitations of cold bosonic atoms in optical lattices
Quantum phases and phase transitions of weakly to strongly interacting bosonic atoms in deep to shallow optical lattices are described by a single multiorbital mean-field approach in real space. For weakly interacting bosons in one dimension, the critical value of the superfluid to Mott insulator (M...
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| Veröffentlicht in: | Physical review letters 2005-07, Vol.95 (3), p.030405.1-030405.4, Article 030405 |
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| container_end_page | 030405.4 |
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| container_issue | 3 |
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| container_title | Physical review letters |
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| creator | ALON, Ofir E STRELTSOV, Alexei I CEDERBAUM, Lorenz S |
| description | Quantum phases and phase transitions of weakly to strongly interacting bosonic atoms in deep to shallow optical lattices are described by a single multiorbital mean-field approach in real space. For weakly interacting bosons in one dimension, the critical value of the superfluid to Mott insulator (MI) transition found is in excellent agreement with many-body treatments of the Bose-Hubbard model. For strongly interacting bosons, (i) additional MI phases appear, for which two (or more) atoms residing in each site undergo a Tonks-Girardeau-like transition and localize, and (ii) on-site excitation becomes the excitation lowest in energy. Experimental implications are discussed. |
| doi_str_mv | 10.1103/physrevlett.95.030405 |
| format | Article |
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For weakly interacting bosons in one dimension, the critical value of the superfluid to Mott insulator (MI) transition found is in excellent agreement with many-body treatments of the Bose-Hubbard model. For strongly interacting bosons, (i) additional MI phases appear, for which two (or more) atoms residing in each site undergo a Tonks-Girardeau-like transition and localize, and (ii) on-site excitation becomes the excitation lowest in energy. 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Experimental implications are discussed.</description><subject>ATOMS</subject><subject>BEAM OPTICS</subject><subject>BOSONS</subject><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>Exact sciences and technology</subject><subject>EXCITATION</subject><subject>HUBBARD MODEL</subject><subject>MANY-BODY PROBLEM</subject><subject>MEAN-FIELD THEORY</subject><subject>PHASE TRANSFORMATIONS</subject><subject>Physics</subject><subject>QUANTUM MECHANICS</subject><subject>SUPERFLUIDITY</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNpNkEtr3DAURkVpaKaT_oQWQWl3nl5ZTy9LSB8wkFDaTTbiWiMzKrbkWHJo_n0VZqBd3bs4330cQt4y2DEG_NN8fMqLfxx9KbtO7oCDAPmCbBjortGMiZdkA8BZ0wHoS_I6598AwFplXpFLpqAD3coNub1PiaaBPqwYyzrR-YjZZ4rxQP0fFwqWkGJ-JlwaD7RPOcXgKJY0ZRoiTXMJDkc6YqmNz1fkYsAx-zfnuiW_vtz8vP7W7G-_fr_-vG-c4Kw0DNAZL2TvABXT-iBQGmSqM5xLpgwzCo1DzbhgWknv0UjR108GKXutgG_J-9PclEuwuV7q3dGlGL0rtgXVKSHaSn08UfOSHlafi51Cdn4cMfq0ZquMUEbWLVsiT6BbUq5eBzsvYcLlyTKwz77tXfX9wz_uq2_bSXvyXXPvzgvWfvKHf6mz4Ap8OAOYq6dhwehC_o_rjGl1y_8CRpaKnQ</recordid><startdate>20050715</startdate><enddate>20050715</enddate><creator>ALON, Ofir E</creator><creator>STRELTSOV, Alexei I</creator><creator>CEDERBAUM, Lorenz S</creator><general>American Physical Society</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>OTOTI</scope></search><sort><creationdate>20050715</creationdate><title>Zoo of quantum phases and excitations of cold bosonic atoms in optical lattices</title><author>ALON, Ofir E ; STRELTSOV, Alexei I ; CEDERBAUM, Lorenz S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c431t-10ac8e45bc0a6177d4a58a1698335168186a8ca71341765eea854b007f55b7603</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>ATOMS</topic><topic>BEAM OPTICS</topic><topic>BOSONS</topic><topic>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</topic><topic>Exact sciences and technology</topic><topic>EXCITATION</topic><topic>HUBBARD MODEL</topic><topic>MANY-BODY PROBLEM</topic><topic>MEAN-FIELD THEORY</topic><topic>PHASE TRANSFORMATIONS</topic><topic>Physics</topic><topic>QUANTUM MECHANICS</topic><topic>SUPERFLUIDITY</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>ALON, Ofir E</creatorcontrib><creatorcontrib>STRELTSOV, Alexei I</creatorcontrib><creatorcontrib>CEDERBAUM, Lorenz S</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>OSTI.GOV</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>ALON, Ofir E</au><au>STRELTSOV, Alexei I</au><au>CEDERBAUM, Lorenz S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Zoo of quantum phases and excitations of cold bosonic atoms in optical lattices</atitle><jtitle>Physical review letters</jtitle><addtitle>Phys Rev Lett</addtitle><date>2005-07-15</date><risdate>2005</risdate><volume>95</volume><issue>3</issue><spage>030405.1</spage><epage>030405.4</epage><pages>030405.1-030405.4</pages><artnum>030405</artnum><issn>0031-9007</issn><eissn>1079-7114</eissn><coden>PRLTAO</coden><abstract>Quantum phases and phase transitions of weakly to strongly interacting bosonic atoms in deep to shallow optical lattices are described by a single multiorbital mean-field approach in real space. 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| subjects | ATOMS BEAM OPTICS BOSONS CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS Exact sciences and technology EXCITATION HUBBARD MODEL MANY-BODY PROBLEM MEAN-FIELD THEORY PHASE TRANSFORMATIONS Physics QUANTUM MECHANICS SUPERFLUIDITY |
| title | Zoo of quantum phases and excitations of cold bosonic atoms in optical lattices |
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