Why is it important to consider a quasi-periodic solution in a Hamiltonian system ?

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What is the difference between UAV-based & satellite-based InSAR measurements?

What is the biggest difference between UAV-based and satellite-based InSAR measurements for deformation monitoring?

15 April 2024 9,036 0 View

Why the 16s does not allow absolute quantification of microbial in microbiology?

I've been doing some microbiology related work lately, but haven't had too much insight into this, and I knew more about plant ecology before. before, so I'm asking a technical question to you...

15 March 2024 8,045 3 View

What's wrong with Oil red O staining of the liver slices?

Hi everyone, the attached picture is oil red o staining of mouse liver slices after GAN diet, which was to induce NASH. I am wondering what are those round empty space with the clear boundary? Are...

27 February 2024 5,742 0 View

How did you decide to do that kind of regression analysis?

I want to ask you a question about data analysis in psychology. I have two independent variables, one is group (between subjects), one is age (continuous data), and the dependent variable is a...

11 November 2023 5,931 3 View

Do old male mouses still have the Estrogen in their body?

Hello I am working on a research topic related to Estrogen function in Acetaminophen-induced liver injury on male mouse model. We only have some old male mouses. I wonder if these old male...

17 October 2023 9,034 0 View

Difference in Landslides & Subsidence?

Hi, how can man distinguish between landslides and land subsidence in the field of natural hazards? According to the slope angle of the terrain maybe? Can anyone recommend a book or paper related...

23 July 2023 6,447 4 View

How to improve my oral test scores in IELTS?

Dear friends, Thank you for reading this message. I am Davin, a postgraduate student major in clinical pharmacy, China. I plan to attend the IELTS oral test on 29th, April. But I am not confident...

22 April 2023 5,138 0 View

C57BL/6J or Balb/c? Which one should I choose?

We would like to investigate the hepatotoxicity of sunitinib, a kind of small molecular kinase inhibitor. Most relevant used C57 BL/6J. But we could only obtain Balb/c from a nearby corporation....

24 March 2023 6,054 1 View

Could I use Ki67 (27309-1-AP, proteintech, Cited Reactivity Human, Hamster, Pig) to detect Ki67 protein in mouse liver sample?

We bought the Ki67 (27309-1-AP, proteintech, Cited Reactivity Human, Hamster, Pig). But we are not sure if it is suitable for us to use this primary antibody to detect Ki67 in mouse liver sample...

14 March 2023 7,472 3 View

Why the shRNA KD efficiency is inconsistent with Western assay?

Hi,all I did shRNA KD in Jurkat cells, the KD efficiency is 80% in mRNA,but western results always showed unchanged protein in the KD group, and also, I have KO mice of this gene (by CRISPR...

15 February 2023 4,285 5 View

Is there a Berry curvature in a non parameter-dependent Hamiltonian?

It may sound a bit awkward, but is there a Berry curvature in non parameter-dependent Hamiltonians? For example, consider the Bloch problem. There is a dual perspective when working in Bloch...

06 June 2024 2,556 1 View

Is there a Berry Electric Field (described by a proper gauge function)?

Berry magnetic field appears as a response to adiabatic changes of the parameters appearing in the Hamiltonian. This quantity is involved in determining the Chern numberm of the system and, in...

05 June 2024 2,128 0 View

How to derive the tight-binding Hamiltonian by placing atomic orbitals at Wyckoff positions ????

Dear all, I am new to theoretical physics of condensed matter physics. I am trying to write down a hamiltonian to fitting my first principle calculation. I am confused how to get the hamiltonian...

05 June 2024 9,668 0 View

Problem when running Spin-Orbit Coupling using CASTEP. What is nlpot_prepare_precon_ks?

I am currently using CASTEP version 22.11, and I encounter the following error when running calculations with spin-orbit coupling: Error with dsytrf in nlpot_prepare_precon_ks Current trace...

19 May 2024 4,235 5 View

Is there a good way to find ZZ symmetric basis for 1D Quantum Lattice?

Hello, I am working with a Hamiltonian with ZZ conservation symmetry. From what I know, if a symmetry is known for a given Hamiltonian and we can find a basis for that symmetry, then we can,...

28 March 2024 3,570 0 View

How do I understand the payoff matrix in Axelrod and Hamilton?

I am fighting my way through Axelrod and Hamilton (1981) on the Prisoners Dilemma. this is the payoff matrix they present for the PD. But they only present the payoffs for player A. Normally,...

13 February 2024 6,294 1 View

How would an effective Lowering& raising quantum operators essay question (masters level) be?

Project based learning is used in areas where student motivation is low. Student are self guided and by exploring they learn when lecture method fails.One possible elaboration for this topic...

12 January 2024 4,438 0 View

Does a vibrating string stretch (elongate) during vibration or does string length (curvature) remain constant?

Consider two different theories of string vibration determined by whether the string stretches as it moves. 1) If the string elongates as it bends, then the force acting on a point along the...

02 November 2023 8,845 10 View

Differences betwen the vortices dynamic betwen MgB2 and cuprates?

Hey everyone,what are the differences in vortex dynamics between cuprates and MgB2? Can we use the same Hamiltonian to describe the dynamics of vortices in these two types?

27 September 2023 5,782 0 View

How to find Hamiltonian energy function (analytically and numerically) of a chaotic system ?

The conservative and dissipative terms of a 3D chaotic system are separated using Helmholtz theorem [F(x) = Fc(x) + Fd(X)]. How to find its Hamiltonian energy function (analytically and...

05 September 2023 1,247 1 View