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quant-ph2025★ 2 cited

Decoherence to quantum theory from a causally-indefinite post-quantum theory

James Hefford, Matt Wilson

We find a process satisfying the axioms of hyper-decoherence which produces standard quantum theory from the theory of quantum boxes (higher-order quantum theory with the non-signa…

quant-ph2025★ 1 cited

Optimal absorption and emission of itinerant fields into a spin ensemble memory

Linda Greggio, Tristan Lorriaux, Alexandru Petrescu +2

Quantum memories integrated in a modular quantum processing architecture can rationalize the resources required for quantum computation. This work focuses on spin-based quantum mem…

quant-ph2025★ 1 cited

Observation of Lie algebraic invariants in Quantum Linear Optics

Giovanni Rodari, Tommaso Francalanci, Eugenio Caruccio +12

Over the past few years, various methods have been developed to engineeer and to exploit the dynamics of photonic quantum states as they evolve through linear optical networks. Rec…

quant-ph2025★ 1 cited

Bosonic quantum Fourier codes

Anthony Leverrier

While 2-level systems, aka qubits, are a natural choice to perform a logical quantum computation, the situation is less clear at the physical level. Encoding information in higher-…

quant-ph2025★ 1 cited

Composable framework for device-independent state certification

Rutvij Bhavsar, Lewis Wooltorton, Joonwoo Bae

Certifying a quantum state in a device-independent (DI) manner, in which no trust is placed on the internal workings of any physical components, is a fundamental task bearing vario…

quant-ph2025

Quasiprobabilistic imaginary-time evolution on quantum computers

Annie Ray, Esha Swaroop, Ningping Cao +2

Imaginary-time evolution plays an important role in algorithms for computing ground-state and thermal equilibrium properties of quantum systems, but can be challenging to simulate…