$\kappa$-deformed covariant quantum phase spaces as Hopf algebroids - INSPIRE

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$\kappa$ -deformed covariant quantum phase spaces as Hopf algebroids

Jul 9, 2015

6 pages

Published in:

Phys.Lett.B 750 (2015) 401-406

Published: Sep 22, 2015

e-Print:

1507.02612 [hep-th]

DOI:

10.1016/j.physletb.2015.09.042

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Abstract: (Elsevier)

We consider the general D=4 (10+10) -dimensional κ -deformed quantum phase space as given by Heisenberg double H of D=4 κ -deformed Poincaré–Hopf algebra H . The standard (4+4) -dimensional κ -deformed covariant quantum phase space spanned by κ -deformed Minkowski coordinates and commuting momenta generators (xˆμ,pˆμ) is obtained as the subalgebra of H . We study further the property that Heisenberg double defines particular quantum spaces with Hopf algebroid structure. We calculate by using purely algebraic methods the explicit Hopf algebroid structure of standard κ -deformed quantum covariant phase space in Majid–Ruegg bicrossproduct basis. The coproducts for Hopf algebroids are not unique, determined modulo the coproduct gauge freedom. Finally we consider the interpretation of the algebraic description of quantum phase spaces as Hopf algebroids.

Note:

14 pages,v4; this version appeared in Physics Letters B

phase space
deformation
Heisenberg
covariance
Poincare
Hopf

References(51)

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