991 citations · 6.5k across the 84 of their papers we have counts for
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quant-ph2007★ 443 cited
Second Law of Thermodynamics with Discrete Quantum Feedback Control
Takahiro Sagawa, Masahito Ueda
A new thermodynamic inequality is derived which leads to the maximum work that can be extracted from multi-heat baths with the assistance of discrete quantum feedback control. The…
quant-ph2007★ 9 cited
Accuracy matrix in generalized simultaneous measurement of a qubit system
Takahiro Sagawa, Masahito Ueda
We formulate the accuracy of quantum measurement for a qubit system in terms of a 3 by 3 matrix. This matrix, which we refer to as the accuracy matrix, can be calculated from a pos…
quant-ph2007★ 10 cited
Upper bound on our knowledge about noncommuting observables for a qubit system
Yuji Kurotani, Takahiro Sagawa, Masahito Ueda
A trade-off relation on our knowledge about two noncommuting observables of a qubit system in simultaneous measurement is formulated. The obtained inequality offers a quantitative…