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The NP-complete problem of the travelling salesman (TSP) is considered in the framework of quantum adiabatic computation (QAC). We first derive a remarkable lower bound for the computation time for adiabatic algorithms in general as a…

量子物理 · 物理学 2007-05-23 Tien D. Kieu

This paper explores several aspects of the adiabatic quantum computation model. We first show a way that directly maps any arbitrary circuit in the standard quantum computing model to an adiabatic algorithm of the same depth. Specifically,…

量子物理 · 物理学 2009-11-10 M. Stewart Siu

We present a quantum algorithm for adiabatic state preparation on a gate-based quantum computer, with complexity polylogarithmic in the inverse error. Our algorithm digitally simulates the adiabatic evolution between two self-adjoint…

量子物理 · 物理学 2022-03-04 Kianna Wan , Isaac H. Kim

We numerically study quantum adiabatic algorithm for the propositional satisfiability. A new class of previously unknown hard instances is identified among random problems. We numerically find that the running time for such instances grows…

量子物理 · 物理学 2009-11-11 Marko Znidaric

Different techniques to speed up quantum adiabatic processes are currently being explored for applications in atomic, molecular and optical physics, such as transport, cooling and expansions, wavepacket splitting, or internal state control.…

量子物理 · 物理学 2013-01-01 S. Ibáñez , Xi Chen , J. G. Muga

We present a rigorous proof that quantum circuit algorithm can be transformed into quantum adiabatic algorithm with the exact same time complexity. This means that from a quantum circuit algorithm of $L$ gates we can construct a quantum…

量子物理 · 物理学 2018-10-24 Hongye Yu , Yuliang Huang , Biao Wu

Adiabatic quantum computation provides an alternative approach to quantum computation using a time-dependent Hamiltonian. The time evolution of entanglement during the adiabatic quantum search algorithm is studied, and its relevance as a…

量子物理 · 物理学 2009-11-11 Daria Ahrensmeier

We study the fault tolerance of quantum computation by adiabatic evolution, a quantum algorithm for solving various combinatorial search problems. We describe an inherent robustness of adiabatic computation against two kinds of errors,…

量子物理 · 物理学 2007-05-23 Andrew M. Childs , Edward Farhi , John Preskill

Adiabatic quantum computers can solve difficult optimization problems (e.g., the quadratic unconstrained binary optimization problem), and they seem well suited to train machine learning models. In this paper, we describe an adiabatic…

In the continuum limit (large number of qubits), adiabatic quantum algorithms display a remarkable similarity to sweeps through quantum phase transitions. We find that transitions of second or higher order are advantageous in comparison to…

量子物理 · 物理学 2015-06-26 Ralf Schützhold , Gernot Schaller

The parametric deformations of quasienergies and eigenvectors of unitary operators are applied to the design of quantum adiabatic algorithms. The conventional, standard adiabatic quantum computation proceeds along eigenenergies of…

量子物理 · 物理学 2015-05-14 Atushi Tanaka , Kae Nemoto

We review the quantum adiabatic approximation for closed systems, and its recently introduced generalization to open systems (M.S. Sarandy and D.A. Lidar, e-print quant-ph/0404147). We also critically examine a recent argument claiming that…

量子物理 · 物理学 2007-05-23 M. S. Sarandy , L. -A. Wu , D. A. Lidar

In this review we consider the performance of the quantum adiabatic algorithm for the solution of decision problems. We divide the possible failure mechanisms into two sets: small gaps due to quantum phase transitions and small gaps due to…

量子物理 · 物理学 2015-04-21 C. R. Laumann , R. Moessner , A. Scardicchio , S. L. Sondhi

We design an adiabatic quantum algorithm for the counting problem, i.e., approximating the proportion, $\alpha$, of the marked items in a given database. As the quantum system undergoes a designed cyclic adiabatic evolution, it acquires a…

量子物理 · 物理学 2009-08-21 Chi Zhang , Zhaohui Wei , Anargyros Papageorgiou

Quantum computing promises significant improvements of computation capabilities in various fields such as machine learning and complex optimization problems. Recent technological advancements suggest that the adiabatic quantum computing…

量子物理 · 物理学 2021-05-06 Veit Stooß , Martin Ulmke , Felix Govaers

The adiabatic quantum computation is a universal and robust method of quantum computing. In this architecture, the problem can be solved by adiabatically evolving the quantum processor from the ground state of a simple initial Hamiltonian…

Dimensionality reduction is the fundamental problem for machine learning and pattern recognition. During data preprocessing, the feature selection is often demanded to reduce the computational complexity. The problem of feature selection is…

量子物理 · 物理学 2019-09-20 Kapil K. Sharma

Many artificial intelligence (AI) problems naturally map to NP-hard optimization problems. This has the interesting consequence that enabling human-level capability in machines often requires systems that can handle formally intractable…

量子物理 · 物理学 2009-09-29 Hartmut Neven , Geordie Rose , William G. Macready

The digital version of adiabatic quantum computing enhanced by counterdiabatic driving, known as digitized counterdiabatic quantum computing, has emerged as a paradigm that opens the door to fast and low-depth algorithms. In this work, we…

量子物理 · 物理学 2025-07-21 Diego Tancara , Francisco Albarrán-Arriagada

Inspired by Quantum Mechanics, we reformulate Hilbert's tenth problem in the domain of integer arithmetics into either a problem involving a set of infinitely coupled differential equations or a problem involving a Shr\"odinger propagator…

量子物理 · 物理学 2007-05-23 Tien D Kieu