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Qubits in Double Quantum Well Structure

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Jakubczyk P., Majchrowski K., Tralle I.

Acta Physica Polonica A

2017

vol. 132

issue 1

115-117

We propose a new approach to producing the qubits in electron ballistic transport in low-dimensional structures such as double quantum wells or double quantum wires. Next, we examine the possibility to produce quantum entanglement in the framework of the Jaynes-Cummings model and shown that at least in principle, the entanglement can be achieved due to series of "revivals" and "collapses" in the population inversion due to the interaction of a quantized single-mode EM-field with a two-level system.

Thermoelectric Effects in Spin Valves Based on Layered Magnetic Structures

100%

Kunert H., Barnaś J.

Acta Physica Polonica A

2017

vol. 132

issue 1

124-128

General aspects of thermoelectric effects in spin valves consisting of two magnetic layers separated by a nonmagnetic spacing layer are considered, with the main focus on the spin Seebeck effects. The Seebeck and spin Seebeck effects are considered in both current-in-plane and current-perpendicular-to-plane geometries. The corresponding thermopower and spin thermopower in the macroscopic limit of electronic transport are also considered. Physical origin of the spin effects is discussed in detail.

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2 Acta Physica Polonica A

2 2017

1 Barnaś J.

1 Jakubczyk P.

1 Kunert H.

1 Majchrowski K.

1 Tralle I.

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Qubits in Double Quantum Well Structure

Thermoelectric Effects in Spin Valves Based on Layered Magnetic Structures