Creation and annihilation operators
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Abstract A procedure to derive the partition function of non-interacting particles with exotic or intermediate statistics is… Expand The fractional alternating-current Josephson effect produces a series of steps in the current–voltage characteristics of a… Expand Creation and annihilation operators are used in many-body quantum physics because they provide a less awkward notation than… Expand Nearby clusters and groups of galaxies are potentially bright sources of high-energy gamma-ray emission resulting from the pair… Expand We show that two independent Bose-Einstein condensates, each initially containing a well-defined number of atoms, will appear… Expand The wave functions of the Calogero-Sutherland model are known to be expressible in terms of Jack polynomials. A formula which… Expand Abstract We show that the resummation of large perturbative corrections in QCD leads to ambiguities in high energy cross sections… Expand A new realisation of the quantum group SUq(2) is constructed by means of a q-analogue to the Jordan-Schwinger mapping… Expand A quantum mechanical form of the Cramer-Rao inequality and a minimum-mcan-square-error quantum estimator for multiple parameters… Expand The expansion of operators as ordered power series in the annihilation and creation operators a and a~ is examined. It is found… Expand