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SIMULATING GROVER’S QUANTUM SEARCH IN A
CLASSICAL COMPUTER
D.K. Ningtyas and A.B. Mutiara
Graduate Program in Information System, Gunadarma University,
Jl. Margonda Raya 100, Depok 16424, Indonesian.
0102 Abstract
The rapid progress of computer science has been accompanied by a corresponding evolution of
raM
computation, from classical computation to quantum computation. As quantum computing is on
itsway tobecominganestablisheddiscipline ofcomputing science, much effortisbeingputinto the
9
development of new quantum algorithms. One of quantum algorithms is Grover algorithm, which
]HO.sc[
is used for searching an element in an unstructured list of N elements with quadratic speed-up over
classical algorithms. Inthis work, Quantum Computer Language (QCL) is usedto make aGrover’s
quantum search simulation in a classical computer
1v0391.3001:viXra
PACS numbers:
∗Electronicaddress: amutiara@staff.gunadarma.ac.id;URL:http://stafsite.gunadarma.ac.id/amutiara
1
I. INTRODUCTION
A. Background of the Research
The rapid progress of computer science has been accompanied by a corresponding evo-
lution of computation, from classical computation to quantum computation. In classical
computation, computer memory made up of bits, where each bit represents either a one or
a zero. In quantum computation, there are some quantum mechanical phenomena, such as
superposition and entanglement, to perform operations on data.
Instead of using bits, quantum computation uses qubits (quantum bits). A single qubit
can represent a one, a zero, or both at the same time, which is called superposition. Because
of this ability, quantum computation can perform many tasks simultaneously, faster than
classical computing. There is also another phenomenon in quantum computation which is
called entanglement. If two qubits get an outside force, then those qubits can be entangled
condition. It means that, even the distance of both qubits is far, treating one of them will
affect the other qubit too. For example, there are two entangled qubits, and one of them has