activity
19942013
most citedNon-adiabatic holonomic quantum computation

400 citations · 510 across the 8 of their papers we have counts for

collaborators

8 papers

quant-ph2013★ 14 cited

Three-qubit topological phase on entangled photon pairs

Markus Johansson, Antonio Z. Khoury, Kuldip Singh +1

We propose an experiment to observe the topological phases associated with cyclic evolutions, generated by local SU(2) operations, on three-qubit entangled states prepared on diffe…

hep-th2012★ 23 cited

The Constraints and Spectra of a Deformed Quantum Mechanics

Chee-Leong Ching, Rajesh R. Parwani, Kuldip Singh

We examine a deformed quantum mechanics in which the commutator between coordinates and momenta is a function of momenta. The Jacobi identity constraint on a two-parameter class of…

quant-ph2012★ 30 cited

Topological phases and multiqubit entanglement

Markus Johansson, Marie Ericsson, Kuldip Singh +2

Global phase factors of topological origin, resulting from cyclic local evolution, called topological phases, were first described in [Phys. Rev. Lett. {\bf 90}, 230403 (…

quant-ph2011★ 400 cited

Non-adiabatic holonomic quantum computation

Erik Sjöqvist, D. M. Tong, L. Mauritz Andersson +3

We develop a non-adiabatic generalization of holonomic quantum computation in which high-speed universal quantum gates can be realized by using non-Abelian geometric phases. We sho…

quant-ph2010★ 2 cited

Correlation induced non-Abelian quantum holonomies

Markus Johansson, Marie Ericsson, Kuldip Singh +2

In the context of two-particle interferometry, we construct a parallel transport condition that is based on the maximization of coincidence intensity with respect to local unitary…

q-alg1995★ 5 cited

Real Forms of the Oscillator Quantum Algebra and its Representations

C H Oh, K Singh

We consider the conditions under which the -oscillator algebra becomes a Hopf -algebra. In particular, we show that there are at least two real forms associated with the alge…

hep-th1994★ 27 cited

Generalized q-Oscillators and their Hopf Structures

C. H. Oh, K. Singh

We study the relationships among the various forms of the oscillator algebra and consider the conditions under which it supports a Hopf structure. We also present a generalizat…

hep-th1994★ 9 cited

Conformal Properties of Primary Fields in a q-Deformed Theory

C. H. Oh, K. Singh

We examine some of the standard features of primary fields in the framework of a -deformed conformal field theory. By introducing a -OPE between the energy momentum tensor an…