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How can I build up an arbitrary quantum circuit given a certain unitary matrix operation?

quantum-state circuit-construction unitarity universal-gates

answered 39 mins ago Martin Vesely 1,525

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Self reducibility of QCMA problems

complexity-theory qma

modified 44 mins ago Yupan Liu 336

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IBM 53 qubit cloud access

ibm-q-experience

answered 1 hour ago vy32 111

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Is there anything practical that can be done with a single qubit?

quantum-state physical-qubit

asked 1 hour ago vy32 111

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Code for a simple optimization problem in Criq

cirq optimization

modified 1 hour ago vy32 111

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How many real-valued coefficients does it take to specify an $n$-qubit state?

quantum-state

answered 2 hours ago glS 8,797

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Problem 2.2 in Nielsen & Chuang - Properties of the Schmidt number

mathematics nielsen-and-chuang

modified 2 hours ago glS 8,797

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What is the property of any entangled pair of qubits?

entanglement measurement bell-basis

modified 5 hours ago JSdJ 609

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Why is $\rho$ NPT if and only if $\rho^{\otimes N}$ is NPT?

entanglement state-distillation

modified 5 hours ago glS 8,797

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Can we apply Grover to meet-in-the-middle attack?

algorithm quantum-gate quantum-information

modified 7 hours ago Phuong Pham Thi Minh 11

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Quantum computing in finance - list of articles

algorithm resource-request quantum-computing-for-finance

modified 9 hours ago Martin Vesely 1,525

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What is the best way to get into and learn quantum computing for a 14 year old?

resource-request

answered 10 hours ago Steven Sagona 364

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What does it mean by less than identity in operator sum representation?

quantum-operation operator-sum

modified 11 hours ago Sanchayan Dutta 12.8k

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Are there Bell-like violations that can be observed without collecting statistics?

quantum-information resource-request bell-experiment non-locality

modified 18 hours ago Craig Gidney 7,551

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