Robust quantum state transfer in random unpolarized spin chains
We propose and analyze a new approach for quantum state transfer between remote spin
qubits. Specifically, we demonstrate that coherent quantum coupling between remote qubits …
qubits. Specifically, we demonstrate that coherent quantum coupling between remote qubits …
Fast and robust quantum state transfer via a topological chain
We propose a fast and robust quantum state transfer protocol employing a Su-Schrieffer-
Heeger chain, where the interchain couplings vary in time. Based on simple considerations …
Heeger chain, where the interchain couplings vary in time. Based on simple considerations …
Nonperturbative entangling gates between distant qubits using uniform cold atom chains
We propose a new fast scalable method for achieving a two-qubit entangling gate between
arbitrary distant qubits in a network by exploiting dispersionless propagation in uniform …
arbitrary distant qubits in a network by exploiting dispersionless propagation in uniform …
Photonic simulation of entanglement growth and engineering after a spin chain quench
The time evolution of quantum many-body systems is one of the most important processes
for benchmarking quantum simulators. The most curious feature of such dynamics is the …
for benchmarking quantum simulators. The most curious feature of such dynamics is the …
Memory-kee** effects and forgetfulness in the dynamics of a qubit coupled to a spin chain
Using recently proposed measures for non-Markovianity [H.-P. Breuer, EM Laine, and J.
Piilo, Phys. Rev. Lett. 103, 210401 (2009) PRLTAO 0031-9007 10.1103/PhysRevLett …
Piilo, Phys. Rev. Lett. 103, 210401 (2009) PRLTAO 0031-9007 10.1103/PhysRevLett …
Long quantum channels for high-quality entanglement transfer
High-quality quantum-state and entanglement transfer can be achieved in an unmodulated
spin bus operating in the ballistic regime, which occurs when the endpoint qubits A and B …
spin bus operating in the ballistic regime, which occurs when the endpoint qubits A and B …
Robustness of spin-coupling distributions for perfect quantum state transfer
The transmission of quantum information between different parts of a quantum computer is
of fundamental importance. Spin chains have been proposed as quantum channels for …
of fundamental importance. Spin chains have been proposed as quantum channels for …
Chiral quantum router with Rydberg atoms
NE Palaiodimopoulos, S Ohler, M Fleischhauer… - Physical Review A, 2024 - APS
We exploit controlled breaking of time-reversal symmetry to realize coherent routing of
quantum information in spin networks. The key component of our scheme is a spin triangle …
quantum information in spin networks. The key component of our scheme is a spin triangle …
Quantum-state transfer via resonant tunneling through local-field-induced barriers
Efficient quantum-state transfer is achieved in a uniformly coupled spin-1/2 chain, with open
boundaries, by application of local magnetic fields on the second and last-but-one spins …
boundaries, by application of local magnetic fields on the second and last-but-one spins …
99-fidelity ballistic quantum-state transfer through long uniform channels
Quantum-state transfer with fidelity higher than 0.99 can be achieved in the ballistic regime
of an arbitrarily long one-dimensional chain with uniform nearest-neighbor interaction …
of an arbitrarily long one-dimensional chain with uniform nearest-neighbor interaction …