منابع مشابه
Information cost of quantum communication protocols
In two-party quantum communication complexity, Alice and Bob receive some classical inputs and wish to compute some function that depends on both these inputs, while minimizing the communication. This model has found numerous applications in many areas of computer science. One notion that has received a lot of attention recently is the information cost of the protocol, namely how much informati...
متن کاملClassical Communication Cost of Quantum Teleportation
Quantum teleportation schemes in which operations are performed before establishing the quantum channel are not constrained by resource limits set in H.K.Lo [8] and Bennett et al. [4]. We compare the standard teleportation protocol to the one proposed by Kak on the basis of the classical communication cost. Due to its unique architecture we study the problems in implementing Kak teleportation p...
متن کاملClassical Communication Cost in Distributed Quantum Information Processing—A generalization of Quantum Communication Complexity
We study the amount of classical communication needed for distributed quantum information processing. In particular, we introduce the concept of ”remote preparation” of a quantum state. Given an ensemble of states, Alice’s task is to help Bob in a distant laboratory to prepare a state of her choice. We find several examples of an ensemble with an entropy S where the remote preparation can be do...
متن کاملThe Quantum Statistical Mechanical Theory of Transport Processes
A new derivation of the quantum Boltzmann transport equation for the Fermion system from the quantum time evolution equation for the wigner distribution function is presented. The method exhibits the origin of the time - irreversibility of the Boltzmann equation. In the present work, the spin dependent and indistinguishibility of particles are also considered.
متن کاملLower Bound on Expected Communication Cost of Quantum Huffman Coding
Data compression is a fundamental problem in quantum and classical information theory. A typical version of the problem is that the sender Alice receives a (classical or quantum) state from some known ensemble and needs to transmit them to the receiver Bob with average error below some specified bound. We consider the case in which the message can have a variable length and the goal is to minim...
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ژورنال
عنوان ژورنال: IEEE Journal on Selected Areas in Information Theory
سال: 2020
ISSN: 2641-8770
DOI: 10.1109/jsait.2020.3016061