What can this Hamiltonian can do?

In summary, the conversation discusses the Hamiltonian mode involving two two-level atoms interacting with a photon. The creation and annihilation operators of the photon are represented by á and à, respectively. The Hamiltonian can be rewritten using Pauli operators, making it simpler. The case of resonant interaction and Rotating Wave Approximation is considered, resulting in the existence of only two interaction terms. The individual is seeking ideas on how to utilize the Hamiltonian and asks for recommendations on relevant documents and potential ideas, specifically mentioning entanglement of two atoms. Some suggested resources include "Optical Coherrence and Quantum Optics" by Mandel and Wolf and "Atom-Photon Interactions -- Basic Processes and Applications" by Cohen-Tannoud
  • #1
xlh
1
0
please see the following Hamiltonian mode.
two two-level atoms(or two qubits) interact with photon.
á、à are the creation and annihilation operators of photon
please rewriting H in the way of pauli operators , will looks very simple

H = E1 ( |e1><e1| -|g1><g1| ) + E2 ( |e2><e2| -|g2><g2| ) + hωáà

+ g (á + à ) ( |g1><e1|.|g2><e2| + |g1><e1|.|e2><g2| + |e1><g1|.|g2><e2| +|e1><g1|.|e2><g2|)

considering the case of resonant interaction and Rotating Wave Approximation , only two interaction terms exist

I have no ideas to make use of the H.
I want to cite some ideas from Quantum Optics or other areas.( besides entanglement of two atoms)

Would you please tell me the documents If someone have seen the mode?
Would you please tell me some ideas?

thanks very much!

Xiaoling He
xlhfudan@yahoo.com
 
Physics news on Phys.org
  • #2
See Mandel and Wolf, Optical Coherrence and Quantum Optics, Chap. 15, all about photons and 2 level atoms (Bloch and Rabi were key players in the development of this now mature field. Also, Cohen-Tannoudji et all cover the subject in their Atom-Photon Interactions -- Basic Processes and Applications. There's also newer work, based on work by Jaynes dealing with exact solutions, which can be found via Google.

Regards,
Reilly Atkinson
 

1. What is a Hamiltonian?

A Hamiltonian is a mathematical operator used in quantum mechanics to represent the total energy of a system. It describes the relationship between the position and momentum of a particle and can be used to predict the behavior of a system over time.

2. What can a Hamiltonian do?

A Hamiltonian can be used to calculate the energy levels and dynamics of a quantum system. It can also be used to determine the probability of a particle being in a certain state at a given time.

3. How is a Hamiltonian different from other operators?

A Hamiltonian is unique because it takes into account both the kinetic and potential energy of a system, while other operators may only consider one aspect. It also allows for the calculation of the total energy of a system, rather than just individual energy levels.

4. Can a Hamiltonian be applied to classical systems?

While a Hamiltonian is primarily used in quantum mechanics, it can also be applied to classical systems. In classical mechanics, the Hamiltonian represents the total energy of a system and can be used to predict the motion of particles in the system.

5. How is a Hamiltonian used in practical applications?

A Hamiltonian has many practical applications, including predicting the behavior of atoms and molecules, understanding the dynamics of chemical reactions, and designing quantum computing algorithms. It is also used in fields such as condensed matter physics, atomic and molecular physics, and nuclear physics.

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