Local minima in quantum systems
Finding ground states of quantum many-body systems is known to be hard for both classical and quantum computers. Consequently, when a quantum syste…
Finding ground states of quantum many-body systems is known to be hard for both classical and quantum computers. Consequently, when a quantum syste…
The two-way capacities of quantum channels determine the ultimate entanglement and secret-key distribution rates achievable by two distant parties …
Entanglement is a fundamental resource for various optical quantum information processing (QIP) applications. To achieve high-speed QIP systems, en…
Measurement-based quantum computing is a promising paradigm of quantum computation, in which universal computing is achieved through a sequence of …
Quantum vortices of light carrying orbital angular momentum stand as essential resources for quantum photonic technologies. Recent advancements in …
Photon loss is the biggest problem for scalable photonic quantum information processing. This issue can be tackled through quantum error correction…
Spin qubits in silicon are strong contenders for the realization of a practical quantum computer, having demonstrated single- and two-qubit gates w…
The development of practical quantum computers probably requires error-protected quantum processors with thousands of logical qubits. Reaching this…