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quant-ph2005★ 8 cited
The cryptographic power of misaligned reference frames
Aram Harrow, Roberto Oliveira, Barbara Terhal
Suppose that Alice and Bob define their coordinate axes differently, and the change of reference frame between them is given by a probability distribution mu over SO(3). We show th…
quant-ph2004★ 114 cited
Local Fault-tolerant Quantum Computation
Krysta M. Svore, Barbara M. Terhal, David P. DiVincenzo
We analyze and study the effects of locality on the fault-tolerance threshold for quantum computation. We analytically estimate how the threshold will depend on a scale parameter r…
quant-ph2004★ 5 cited
Security Trade-offs in Ancilla-Free Quantum Bit Commitment in the Presence of Superselection Rules
D. P. DiVincenzo, J. A. Smolin, B. M. Terhal
Security trade-offs have been established for one-way bit commitment in quant-ph/0106019. We study this trade-off in two superselection settings. We show that for an `abelian' supe…