
Quantum Chemistry - IBM Research
Oct 20, 2025 · Quantum Chemistry Few fields will get value from quantum computing as quickly as chemistry. Even today’s supercomputers struggle to model a single molecule in its full complexity. …
quantum chemistry - Difference between shells, subshells and orbitals ...
Oct 15, 2014 · What are the definitions of these three things and how are they related? I've tried looking online but there is no concrete answer online for this question.
Quantum-centric supercomputing: a new computational framework for …
Mar 23, 2025 · Quantum-centric supercomputing: a new computational framework for chemistry Abstract Over the past decades, algorithms for classical computers have revolutionized the simulation of …
quantum chemistry - What exactly is meant by 'multi-configurational ...
Oct 24, 2018 · In quantum chemistry, the multireference configuration interaction (MRCI) method consists of a configuration interaction expansion of the eigenstates of the electronic molecular …
quantum chemistry - What is the exchange interaction? - Chemistry …
Oct 18, 2016 · This is really a quantum physics question; there is a difference between the energy of a system with two distinguishable elements and a system with two indistinguishable elements, simply …
quantum chemistry - Orthogonal Wavefunctions - Chemistry Stack …
Nov 1, 2015 · They must be orthogonal with respect to some other wavefunction. However I have seen some textbooks refer to single wavefunctions as being orthogonal. Am I missing some crucial thing in …
quantum chemistry - What is a virtual state? - Chemistry Stack Exchange
In talking about Raman spectroscopy, one finds the Stokes line is simply the difference between the energy of an incoming photon and an emitted photon. This energy corresponds to a vibrational tran...
Newest 'quantum-chemistry' Questions
Dec 25, 2025 · Quantum chemistry is a subfield of quantum mechanics. Like its parent field, quantum chemistry focuses on understanding physical phenomena occuring at the atomic scale.
Exploring Near-Term Quantum Algorithms for Chemical Reaction …
Aug 18, 2024 · Quantum Computing presents a paradigm shift in computational chemistry, offering unprecedented potential for tackling complex chemical problems. In this presentation, I will delve into …
quantum chemistry - What is the difference between ψ, |ψ|², radial ...
Mar 13, 2018 · I am very confused regarding these four terms- ψ,|ψ|², radial probability and radial distribution I know that ψ is called the wave function but is it the same as radial probability? I also …