What is
Quantum
Computing?
Before we go over Quantum
Computing, let’s go over some
basics of Quantum Mechanics
What is Quantum Mechanics?
 Quantum computing relies on the principals of quantum mechanics
 Quantum Mechanics: study of the behavior of matter and light on the subatomic
level.
 Term Created by Max Planck while studying the “Ultraviolet Catastrophe”
 His solution: Assume light is both a particle and a wave
Basic
Concepts of
Quantum
Mechanics
De Broglie’s Wave hypothesis
 Matter has the properties of both wave and particles and the wavelengths are
related to their linear momentum.
Schrödinger
equation
 Erwin Schrödinger equation devised an equation to
explain the de Broglie’s Wave Hypothesis, where:
 N= Size of the Orbital
 L= Shape of the Orbital
 M=Where the orbital is oriented in space
Schrödinger's cat
 Imagine that there is a cat trapped in a steel box, with a
Geiger Counter linked to a bomb. There is radioactive
material but the rate of decay is completely random.
 Once the radiation reaches a certain level, the cat will
die. If the box is opened, the cat will die.
 There is no way to verify that the cat is alive,
guaranteeing the cat’s demise, so you will have to
assume that the cat is both alive and dead.
 This analogy illustrate a superposition, the idea that an
object can exist in many states at once.
Spin
 Paul Dirac illustrates that
there is a 4th number that
defines quantum particles
ms which denotes spin.
Quantum
Computing
Qubits
 Non-classical computing uses the ability of
particles to exist in multiple states at once. It
uses quantum bits(Qubits) to store
information. However, unlike classical bits,
qubits can be either 0, 1, or they can be both
a 0 and a 1 at the same time.
 This allows for vastly superior processing
power in comparison to a classical computer
because 1 qubit would be able to hold more
information than a classical bit.
Quantum Entanglement
 If one particle spins in one direction, then the other
particle will spin in the opposite direction. If we were
to know everything about the particle, then the
superposition would be lost.
 Quantum computing relies on this to work, if
everything was known about both particles, then we
would have a classical machine.
Applications of Quantum computing
 Discovering new Drug treatments
 Reduce damage caused to healthy cells by Chemotherapy
 Can help weathermen better predict the weather.
 However, regular computers will not be replaced because quantum computers run
through every possible scenario whereas classical machines use linear equations for
their calculations.
For more information
Quantum Computing,
please click here.

What is quantum computing?

  • 1.
  • 2.
    Before we goover Quantum Computing, let’s go over some basics of Quantum Mechanics
  • 3.
    What is QuantumMechanics?  Quantum computing relies on the principals of quantum mechanics  Quantum Mechanics: study of the behavior of matter and light on the subatomic level.  Term Created by Max Planck while studying the “Ultraviolet Catastrophe”  His solution: Assume light is both a particle and a wave
  • 4.
  • 5.
    De Broglie’s Wavehypothesis  Matter has the properties of both wave and particles and the wavelengths are related to their linear momentum.
  • 6.
    Schrödinger equation  Erwin Schrödingerequation devised an equation to explain the de Broglie’s Wave Hypothesis, where:  N= Size of the Orbital  L= Shape of the Orbital  M=Where the orbital is oriented in space
  • 7.
    Schrödinger's cat  Imaginethat there is a cat trapped in a steel box, with a Geiger Counter linked to a bomb. There is radioactive material but the rate of decay is completely random.  Once the radiation reaches a certain level, the cat will die. If the box is opened, the cat will die.  There is no way to verify that the cat is alive, guaranteeing the cat’s demise, so you will have to assume that the cat is both alive and dead.  This analogy illustrate a superposition, the idea that an object can exist in many states at once.
  • 8.
    Spin  Paul Diracillustrates that there is a 4th number that defines quantum particles ms which denotes spin.
  • 9.
  • 10.
    Qubits  Non-classical computinguses the ability of particles to exist in multiple states at once. It uses quantum bits(Qubits) to store information. However, unlike classical bits, qubits can be either 0, 1, or they can be both a 0 and a 1 at the same time.  This allows for vastly superior processing power in comparison to a classical computer because 1 qubit would be able to hold more information than a classical bit.
  • 11.
    Quantum Entanglement  Ifone particle spins in one direction, then the other particle will spin in the opposite direction. If we were to know everything about the particle, then the superposition would be lost.  Quantum computing relies on this to work, if everything was known about both particles, then we would have a classical machine.
  • 12.
    Applications of Quantumcomputing  Discovering new Drug treatments  Reduce damage caused to healthy cells by Chemotherapy  Can help weathermen better predict the weather.  However, regular computers will not be replaced because quantum computers run through every possible scenario whereas classical machines use linear equations for their calculations.
  • 13.
    For more information QuantumComputing, please click here.