Kabgyun Jeong

Minimal control power of the controlled teleportation

We generalize the control power of a perfect controlled teleportation of an entangled three-qubit pure state, suggested by Li and Ghose [Phys. Rev. A 90, 052305 (2014)], to the control power of a general controlled teleportation of a multiqubit pure state. Thus, we define the minimal control power, and calculate the values of the minimal control power for a class of general three-qubit Greenberger-Horne-Zeilinger (GHZ) states and the three-qubit

Concurrence of assistance and Mermin inequality on three-qubit pure states

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Gaussian private quantum channel with squeezed coherent states.

class whose states have zero three-tangles. Moreover, we show that the standard three-qubit GHZ state and the standard three-qubit

Minimal control power of controlled dense coding and genuine tripartite entanglement

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Non-Hermitian Hamiltonian and Lamb shift in circular dielectric microcavity

state have the maximal values of the minimal control power for the two classes, respectively. This means that the minimal control power can be interpreted as not only an operational quantity of a three-qubit quantum communication but also a degree of three-qubit entanglement. In addition, we calculate the values of the minimal control power for general

Purification of Gaussian maximally mixed states

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Non-Hermiticity and conservation of orthogonal relation in dielectric microcavity

-qubit GHZ states and the

Conditional quantum entropy power inequality for d -level quantum systems

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Monogamy equality in 2⊗2⊗d quantum systems

-qubit

Behavior of three modes of decay channels and their self-energies of elliptic dielectric microcavity

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