Quantum Field Theory of Many-body Systems: From the Origin of Sound to an Origin of Light and Electrons

By X. Wen. 2004

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Ultracold atomic gases in optical lattices: mimicking condensed matter physics and beyond (2006, background): “Particularly interesting are topological spin liquids 109 , 442 , for which degeneracy of the ground state depends on the topology of the underlying lattice.”
Physics of three dimensional bosonic topological insulators: Surface Deconfined Criticality and Quantized Magnetoelectric Effect (2012, methodology): “As Published http://dx.doi.org/10.1103/PhysRevX.3.011016 Version Final published version Citable link http://hdl.handle.net/1721.1/89026 Terms of Use Article is made available in accordance with the publisher's policy and may be subject to US copyright law.”
Matrix product states, projected entangled pair states, and variational renormalization group methods for quantum spin systems (2008, background): “So what other properties do ground states of local quantum Hamiltonians exhibit besides the fact that all global properties follow from their local properties? The key concept to understand their structure is to look at the amount of entanglement present in those states 26 : entanglement is the cru”
Many-Body Physics with Ultracold Gases (2007, background): “(73) is therefore not that of standard electrodynamics but is called compact QED, which has been discussed first by Peskin (1978) (see also the textbook by Wen (2004)).”