All Questions
Tagged with resource-recommendations quantum-mechanics
344 questions
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Is there any reference where Roger Penrose addresses the "effective size" of the mass density in a neutron star which must be at least 100 fermis?
The background is the following. Roger Penrose has proposed that a spatial quantum superposition collapses because of gravity. To put in a nutshell, the probability of quantum collapse per unit of ...
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40
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Fock Darwin wavefunction
The ground state of a 2D harmonic oscillator in magnetic field is a Gaussian wavepackets, and the spectrum of the Hamiltonian is solved by the Fock-Darwin states.
Are there textbooks (I want textbooks,...
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What is the standard deviation in photon number for a squeezed coherent state?
I would appreciate if someone could provide some reference publication with such result.
Edit: I cannot understand why this got flagged as homework, when it clearly isn't- it is a reference request, ...
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Introduction to lattice gauge theory for non-high energy physicsts
Can anyone recommend a good introduction to lattice gauge theory (e.g. books, review articles, or lecture notes) that is aimed at/accessible to someone with a background in condensed matter physics, ...
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89
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Learning theory of open quantum systems
I'm taking a course on open quantum systems as part of my PhD using the standard textbook by Breur and Petruccione. I was wondering if anyone knows of good complementary material to this book (...
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Quantum Mechanics book with good treatment on unbounded operators [duplicate]
I'm looking for a certain kind of approach to quantum mechanics. In most places I've looked, almost all of the exposition on how to employ construct observables in quantum mechanics is that of compact ...
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109
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Looking for papers that claim that spacetime is emergent
This article states:
It’s really striking that for most of the plausible theories of quantum gravity that we have, in some sense their message is, yeah, general relativistic spacetime isn’t in there ...
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Most up to date explanation explaining the stability of high spin multiplicity (multiplicity=$2S+1$) states?
https://en.wikipedia.org/wiki/Hund%27s_rules:
"However, accurate quantum-mechanical calculations (starting in the 1970s)... singly occupied orbitals are less effectively screened or shielded ...
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69
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Where can I read about excitons?
I'm having a tough time finding a good reference for excitons. I know next to nothing about them, and I'd like to find a good book/paper/notes that would introduce it in a slow, pedagogical way. ...
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127
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How is Hudson's theorem for the Wigner function proved?
Hudson's theorem tells us that a pure state has non-negative Wigner function iff it's Gaussian. This was originally proven in [Hudson 1974], and then generalised to multidimensional systems in [Soto ...
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Literature on the design of MQW for optoelectronics
I am looking for literature that teaches how to design a MQW for optoelectronic devices, particular a phase-shifter. I see these devices being used throughout the literature and they are quite ...
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Non-relativistic Quantum Mechanical Scattering Theory Textbook Recommendations
I am looking for textbooks that cover non-relativistic quantum mechanical scattering theory. An ideal text would not "brush mathematical details under the rug" and would also make contact ...
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77
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Resource for WKB approximation formula
Is there any source that explicitly writes down the WKB "function" (to be defined soon) in orders of time derivative of the frequency over the frequency? Of course only to some finite order.
...
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56
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Finding literature with quantum tomography during a measurement to "see" the wave function collapse
I was at a journal club some time around 2020 where we discussed a paper that I am trying to find again. The claim was that it had experimentally shown that wave function collapse was not "...
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Relationship of the do-operator in do calculus and the notion of the collapse of wave a function
I stumbled over the "do calculus" in causal modeling https://arxiv.org/abs/1210.4852
and the do-operator which is defined in this post https://stats.stackexchange.com/a/643333/298651 The do-...
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Self Understanding the technical concepts of Quantum Mechanics [duplicate]
So I have always been passionate in physics but recently I began to take a greater interest in learning more than the curriculum of my age. I have a significant theoretical understanding of quantum ...
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111
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Non-Technical Book on QM
Speaking to my friends and family about my job I often receive the question of what quantum mechanics really is.
I always find very time-expensive to explain it with no technical informations and ...
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Where can I learn Fourier analysis and complex signal processing for quantum mechanics?
I'm requesting resourses to dive deep and get a good grip on complex signals, Fourier analysis and connections to information theory and information encoded by complex signals.
My background: 3rd year ...
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94
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From where a person should start about quantum mechanics from very beginning? [duplicate]
I am confuse about the learning of quantum mechanics. Basically i am a high school student but i am passionate about quantum mechanics but the main thing is I am confuse about from where should i ...
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Is Fermi's Nuclear Physics still relevant as an entry level textbook? [closed]
As a quantum/theoretical chemist, I am eager to broaden my understanding of quantum phenomena. Fermi's Nuclear Physics book from 1950 seems like an important text.
However, seing it is 70+ years old, ...
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Formula 2.8 in the paper 1907.03363 "JT Gravity and the Ensembles of Random Matrix Theory"
Currently, I am puzzled by the formula 2.8 in the paper arXiv;1907.03363, where the author states that $Z_R(\beta)=0$ for $N$ being odd. I am having difficulty understanding the discussion in the ...
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References about advanced quantum mechanics
I have already studied quantum mechanics (Sakurai and Bransden Atomic/Molecular physics ) and all the relevant quantum field theory (Weinberg I + II, Schwartz and Birrell-Davies).
I'm searching for ...
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Nuclear spectral theorem in Rigged Hilbert Spaces (Gelfand-Maurin theorem)
Before I go into the question, I would like to mention that I am a physicist with some formal mathematical knowledge, but not expert in functional analysis.
In physics, we very often say: Let $|x \...
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63
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Reference for mathematics of quantum mechanics with infinite degrees of freedom?
I am looking for a book, or lecture notes or even courses available on YouTube where there is a good and detailed discussion on the mathematical aspects of Quantum Mechanics with infinite degrees of ...
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Why Klein-Gordon equation before QFT? [closed]
Note : This is an edit of the original question.
Previously (with some more elaboration of what I had in mind): Peskin's QFT book starts with Klein Gordon equation, which is little taught for most ...
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63
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Physics reading material for mathematics grad student [closed]
I am a graduate student in mathematics studying algebraic logic. For quite some time now, I have been meaning to study physics -- it turns out that some ideas in foundations of mathematics have found ...
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65
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Exercises on the subject Theory of Quantum Information
I have recently started to study quantum information theory on Nielsen and Chuang book, but in order to understand the theory better I need to solve more problems, there are in this book. Can you ...
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125
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Resource on quantum to classical
I am looking for a book/paper which derives classical mechanics starting from quantum mechanics, to better understand the transition. Expected level of mathematical rigour is equivalent to graduate ...
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73
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Tutorials on Quantum Variational Algorithm
I am interested in learning about quantum algorithms, especially quantum variational algorithms. I would like to know where I can find resources that delve into specific quantum variational algorithms ...
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48
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What are some good books for theoretical physics (specifically quantum mechanics) for a beginner? [duplicate]
I want to read physics axiomatically like a typical math course. I watched some lectures by Frederic Schuller. I liked the teaching style but it was a bit advanced for me as I don't know vector bundle ...
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38
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Quantum Mechanics course supplement? [duplicate]
Does anyone have suggestions for a good quantum book to act as a supplement to the textbook? Think something like a "Quantum Mechanics for Dummies". More conceptual than rigorous, but enough ...
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Numerical reference data for a 3D quantum system with Gaussian potential?
I'm currently writing a numerical code to solve the quantum system (in 3D) with an attractive ($v_0 < 0$) Gaussian potential,
$$ V(r) = v_0 \exp(-r^2/r_0^2). $$
It would be nice to have some ...
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178
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Resource on group theory and quantum mechanics
I know this question has been asked a million times and I have looked at the various questions/answers, but am yet to find a perfect solution. At one of the suggestions here, I picked up the book by ...
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195
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References to difficulties with quantization of gravity?
We always hear from the community that gravity is difficult to quantize, and quantum gravity field theories have some difficulties in terms of renormalization and are associated with quantum anomalies,...
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I want to solve problems in Path integral quantum mechanics and need some suggestions for the book [duplicate]
I am looking for a book with LOTS of problems in path integral quantum mechanics. I don't need a book with lot of theory. I need a book that has MANY problems of all difficulty levels. Essentially I ...
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Best books/notes for learning quantum computing for a mathematician with no quantum mechanics background [duplicate]
I have a PhD in numerical analysis for PDE, and for this reason I have a very strong background in functional analysis, Hilbert spaces / linear and nonlinear operators, algebra, but also probability.
...
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Self-study for quantum foundations and quantum gravitation
I want to study quantum foundations, and also quantum gravitation.
What is a starting point?
(Although I have a ph.D of physics but I don't have sufficient knowledge about those topics.)
good review ...
3
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215
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Overview of quantum energy teleportation
I'm looking for a research-level review of the concept of quantum energy teleportation.
I did find http://www.tuhep.phys.tohoku.ac.jp/~hotta/extended-version-qet-review.pdf, but it is more than 10 ...
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References on the difference between Dirac's and Von Neumann's approach to Quantum Mechanics (rigged Hilbert Space vs Hilbert Space only)
I have not found any clear and comparative explanation between the Dirac and von Neumann versions of Quantum Mechanics (rigged Hilbert Space vs Hilbert Space only). I have found some short articles. ...
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180
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Physics prerequisites for quantum mechanics and general relativity [closed]
I’m a mathematician with a specialization involving differential equations and probability theory, and I’ve also spent a lot of time studying topics like differential geometry, algebraic topology, and ...
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399
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Quantum physics book linking experimental data with theory
Kindly recommend book or resource which links quantum physics experimental data with theory. Any suggestion will be highly appreciated.
Some suggestion are here are R. C. Fernow, Introduction to ...
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105
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Quantum State Tomography with Machine Learning [closed]
So, I am new to this area. I know a little bit on Machine Learning and Neural Networks and I'm a Physics student and recently I started studying Quantum Information Theory.
I found some papers and ...
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Quantum Theory Texts Advocating Specific Interpretations [duplicate]
I'm looking for comprehensive textbooks or monographs on quantum mechanics that inherently advocate specific interpretations. I've found a few over the course of time such as Ballentine's or Dürr's ...
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91
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What are good books/chapters of books or articles to study canonical transformations in quantum mechanics at a graduate level?
I am looking for any kind of sources about canonical transformations in quantum mechanics in the operatorial formulation of the theory and its connection with the classical canonical transformation ...
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132
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Does anyone know a good reading resource about the history/formulation of quantum physics?
I'm looking for a reading resource that reviews the experimental observations, and subsequent physical models that lead to the formulation of quantum physics. For example the experimental observations ...
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Reference request: Time evolution of non-Gaussian free particle wave packet
Many quantum mechanics textbooks discuss in some detail the time evolution of the free particle wave packet with Gaussian initial state. But treatments of more general non-Gaussian cases (from what I'...
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QM books with an emphasis on quantum information/computing [duplicate]
What is a good intro textbook on QM (at the level of Griffith, a standard one year course for undergraduates in physics) that has some focus on quantum information/quantum computing? Maybe even with ...
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179
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Anyone got any book recommendations for the derivation of the Wigner formulation of quantum mechanics?
Preferably one that starts from classical mechanics and derives the theory from that
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Books about Quantum Contextuality
Does anybody know some bibliography about Quantum Contextuality? Why is such a framework a generalización of Bell inequalities? Why has it something to do with hidden variables theories?
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Epistemic vs. ontological interpretations of QM
There are several posts under [quantum-interpretations] epistemic ontological, but I'm not seeing an answer to my question there (nor from google searches)...
I hadn't thought about it very much, ...