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Quantum no-deleting theorem


In physics, the no-deleting theorem of quantum information theory is a no-go theorem which states that, in general, given two copies of some arbitrary quantum ...

Quantum no-deleting principle and some of its implications


Jul 31, 2000 ... and approximate quantum deleting of unknown states. We prove that ... prove a no-deletion theorem for non-orthogonal states us- ing unitarity.



No-Deleting Theorem: We cannot delete an unknown quantum state against a copy. (Pati-Braunstein, Nature 2000). |ψ〉|ψ〉→|ψ〉|0〉. • No-Partial Erasure ...

Quantum-no-deleting principle


79, NO. 10, 25 NOVEMBER 2000. 1426. Quantum-no-deleting principle. In a recent scientific correspondence1. Bhagwat et al. fielded baseless argu- ments that ...

no-cloning theorem in nLab

ncatlab.org/nlab/show/no-cloning theorem

Mar 5, 2014 ... In quantum physics the no-cloning theorem is the statement that one ... the content of “no-cloning” and “no-deleting” is the very “linearity” of this ...

No-Cloning and No-Deleting Theorems through the Existence of ...


Nov 28, 2006 ... No-cloning and No-deleting theorems are verified with the constraint ... quantum cloning quantum deleting incomparability of quantum states ...

Impossibility of deleting an unknown quantum state : Article : Nature


We will show that there is no quantum deleting machine that can delete one .... Bu ek, V. & Hillery, M. H. Quantum copying: Beyond the no-cloning theorem. Phys  ...

The no-cloning theorem


linearity of quantum mechanics, the output for their super- position must be the ... running the copier in reverse to delete the extra copy in states such as +♢♢¬ or + ♡♡¬. ... because of the no-cloning theorem, Eve cannot succeed in her task.

Why doesn't the quantum eraser violate the no-deletion theorem ...


Jan 10, 2016 ... My question is, why doesn't this contradict the Quantum no-deleting ... mechanics , the experiment didn't violate the no-deletion theorem.

Applied Physics 150a: Homework #1 - Quantum Photonics Group


Oct 16, 2014 ... (20 points) Building on the no-cloning theorem. (a) The no-deleting theorem of quantum mechanics states that given two identical copies.

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Quantum no-hiding theorem experimentally confirmed for first time


Mar 7, 2011 ... “In quantum information science, two fundamental theorems have been the no- cloning and the no-deleting theorems,” Pati told PhysOrg.com.

The No-Go Theorems of Quantum Information Theory (Part 2)


Apr 5, 2015 ... The no-deletion theorem in quantum information theory states given two copies of some arbitrary quantum state, it is impossible to delete one of ...

Quantum deleting and signalling


same year the no-cloning theorem demonstrated the flaw in this proposed violation of causality [3,4]. Thus, the linear evolution of even non-relativistic quantum.