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Unitarity (physics)

Known as: Unitarity, Unitarity bound 
In quantum physics, unitarity is a restriction on the allowed evolution of quantum systems that ensures the sum of probabilities of all possible… 
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Related topics

Related topics

13 relations
Born ruleDecoherence-free subspacesGround stateHamiltonian (quantum mechanics)

Broader (1)

Quantum mechanics

Papers overview

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Highly Cited
2015
Highly Cited
2015
Bootstrapping SCFTs with four supercharges
A bstractWe study the constraints imposed by superconformal symmetry, crossing symmetry, and unitarity for theories with four… 
Review
2014
Review
2014
Superallowed 0 + → 0 + nuclear β decays: 2014 critical survey, with precise results for V u d and CKM unitarity
A new critical survey is presented of all half-life, decay-energy and branching-ratio measurements related to 20 superallowed 0… 
Highly Cited
2013
Highly Cited
2013
A two-loop five-gluon helicity amplitude in QCD
A bstractWe compute the planar part of the two-loop five gluon amplitude with all helicities positive. To perform the calculation… 
Highly Cited
2013
Highly Cited
2013
More constraining conformal bootstrap
Recently an efficient numerical method has been developed to implement the constraints of crossing symmetry and unitarity on the… 
Highly Cited
2012
Highly Cited
2012
Contact terms, unitarity, and F -maximization in three-dimensional superconformal theories
A bstractWe consider three-dimensional $ \mathcal{N}=2 $ superconformal field theories on a threesphere and analyze their free… 
Highly Cited
2011
Highly Cited
2011
Unitarity and Monojet Bounds on Models for DAMA, CoGeNT, and CRESST-II
If dark matter interacts with quarks or gluons, the mediator of these interactions is either directly accessible at the LHC or is… 
Highly Cited
2009
Highly Cited
2009
Impossibility of large phase shifts via the giant Kerr effect with single-photon wave packets
An approximate analytical solution is presented, along with numerical calculations, for a system of two single-photon wave… 
Highly Cited
2008
Highly Cited
2008
Full one-loop amplitudes from tree amplitudes
We establish an efficient polynomial-complexity algorithm for one-loop calculations, based on generalized D-dimensional unitarity… 
Highly Cited
2002
Highly Cited
2002
Square-matrix embeddable space-time block codes for complex signal constellations
Space-time block codes for providing transmit diversity in wireless communication systems are considered. Based on the principles… 
Highly Cited
1999
Highly Cited
1999
Unification in intuitionistic logic
Abstract We show that the variety of Heyting algebras has finitary unification type. We also show that the subvariety obtained by… 
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