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Gabin Yun
,
Lajos Palanki
2
Mar 16
Question regarding two-color MOT coupling F=1,2 and F'=1,2
Hi Gabin, The rate-equations would be unable to reproduce the results of that paper since they rely
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Question regarding two-color MOT coupling F=1,2 and F'=1,2
Hi Gabin, The rate-equations would be unable to reproduce the results of that paper since they rely
Mar 16
Richard Jenson
Mar 12
Bradley is coming to our area again! Anyone would like to join for the group rate dryer vent cleaning in just $149.
We're scheduling a dryer vent cleaning and if anyone else is interested, we can get a group
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Bradley is coming to our area again! Anyone would like to join for the group rate dryer vent cleaning in just $149.
We're scheduling a dryer vent cleaning and if anyone else is interested, we can get a group
Mar 12
Christophe Mullesch
,
Barker, Daniel S. (Fed)
3
Feb 26
Pumping rates
Hi Daniel, thank you for your swift response, that clears things up for me! Best, Christophe daniel.
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Pumping rates
Hi Daniel, thank you for your swift response, that clears things up for me! Best, Christophe daniel.
Feb 26
Roberto Haubold
, …
Lajos Palanki
9
Feb 16
Simulating several manifolds
Hi Roberto, Sorry for not addressing the original question previously, but I wanted to double-check
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Simulating several manifolds
Hi Roberto, Sorry for not addressing the original question previously, but I wanted to double-check
Feb 16
Jiyu Wang
10/29/25
Detunings of CaF
Hi everybody, I am confused here why delta=(E_A[-1] - Eg_i)+det? E_X here =[-11.88936397, -2.7012162
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Detunings of CaF
Hi everybody, I am confused here why delta=(E_A[-1] - Eg_i)+det? E_X here =[-11.88936397, -2.7012162
10/29/25
Sagar Sutradhar
, …
Roberto Haubold
5
10/8/25
Help Needed: Error Running PyLCP Code for CaF Molecules
Hi Jiyu and Sagar, Thanks for the help! I'm using the safe U_X wrapper and it seems to be working
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Help Needed: Error Running PyLCP Code for CaF Molecules
Hi Jiyu and Sagar, Thanks for the help! I'm using the safe U_X wrapper and it seems to be working
10/8/25
Xin Wang
, …
Eckel, Stephen P. (Fed)
3
4/30/25
Questions regarding the random recoil
Hi Lajos and Xin Wang, Sorry for the delayed reply to these questions. Note that the subtle
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Questions regarding the random recoil
Hi Lajos and Xin Wang, Sorry for the delayed reply to these questions. Note that the subtle
4/30/25
Qinshu Lyu
4/23/25
Potential sign error in molecule Hamiltonian
Hello, There might be a potential sign error for the magnetic matrix of the molecular Hamiltonian. In
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Potential sign error in molecule Hamiltonian
Hello, There might be a potential sign error for the magnetic matrix of the molecular Hamiltonian. In
4/23/25
Mattia Fiore
,
Barker, Daniel S. (Fed)
2
2/22/25
Λ-Enhanced Gray Molasses Temperature Extraction
Hello Mattia, I will dig up the code that I used for the tetrahedral gray molasses paper next week
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Λ-Enhanced Gray Molasses Temperature Extraction
Hello Mattia, I will dig up the code that I used for the tetrahedral gray molasses paper next week
2/22/25
אסף שיינפלד
,
Barker, Daniel S. (Fed)
3
12/20/24
asymmetry of forces at 3d molasses
hey, thak you for the response. i tried both configurations (all the same or +pol for x,y and -pol
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asymmetry of forces at 3d molasses
hey, thak you for the response. i tried both configurations (all the same or +pol for x,y and -pol
12/20/24
Vanessa Grauer
,
daniel.barker
2
12/10/24
Issue about runtime of OBE and units in general
Hello Vanessa, I've attached a pruned version of one of my simulation notebooks, which should
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Issue about runtime of OBE and units in general
Hello Vanessa, I've attached a pruned version of one of my simulation notebooks, which should
12/10/24
cc c
, …
Eckel, Stephen P. (Fed)
3
12/9/24
Question regarding generate_force_profile in OBE
Hi Lajos, Sorry for the (super) delayed reply. I haven't had much time recently to devote to
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Question regarding generate_force_profile in OBE
Hi Lajos, Sorry for the (super) delayed reply. I haven't had much time recently to devote to
12/9/24
Max Richter
,
Eckel, Stephen P. (Fed)
2
8/9/24
Question regarding the units and MOT capture notebook
Hi Max, Sorry, your email somehow fell through the cracks. The 1.4 is a rough approximation of the
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Question regarding the units and MOT capture notebook
Hi Max, Sorry, your email somehow fell through the cracks. The 1.4 is a rough approximation of the
8/9/24
Yuna Park
, …
Eckel, Stephen P. (Fed)
3
5/6/24
questions about units
Thanks Shang-wey, I concur with your changes and I am adding them to the forthcoming 1.0.3 bug fix
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questions about units
Thanks Shang-wey, I concur with your changes and I am adding them to the forthcoming 1.0.3 bug fix
5/6/24
dou li
,
Eckel, Stephen P. (Fed)
2
5/6/24
Pylcp
Hello, Below you can find a code snippet that generated Fig. 1 of our paper. Hope that helps! Best, -
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Pylcp
Hello, Below you can find a code snippet that generated Fig. 1 of our paper. Hope that helps! Best, -
5/6/24
M.E. Vos
,
Eckel, Stephen P. (Fed)
2
5/6/24
An often thrown exception in obe.py line 1008
Hi Max, I've indeed come across this exception before. As I recall, it typically happens because
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An often thrown exception in obe.py line 1008
Hi Max, I've indeed come across this exception before. As I recall, it typically happens because
5/6/24
Lufter Reis
,
Barker, Daniel S. (Fed)
2
1/4/24
Simulation of Broad Transition MOTs
Hi Lufter, One limitation of the rate equation governing equation is that it needs to re-diagonalize
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Simulation of Broad Transition MOTs
Hi Lufter, One limitation of the rate equation governing equation is that it needs to re-diagonalize
1/4/24
Bethan Humphreys
,
Eckel, Stephen P. (Fed)
2
9/29/23
CaF OBE simulations
Hi Bethan, I looked over your code briefly, and I think your problems might be related to
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CaF OBE simulations
Hi Bethan, I looked over your code briefly, and I think your problems might be related to
9/29/23
Eckel, Stephen P. (Fed)
5/18/23
Re: Adding new Laser beam with arbitrary direction of the propagation
Hello Bappaditya, Sorry for the delayed reply. Adding another laser with an arbitrary direction is as
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Re: Adding new Laser beam with arbitrary direction of the propagation
Hello Bappaditya, Sorry for the delayed reply. Adding another laser with an arbitrary direction is as
5/18/23
Malte Schwarz
,
Eckel, Stephen P. (Fed)
2
5/18/23
PyLCP example error
Hello Malte, Sorry for the delayed reply. Thank you for finding the error in the example code. I'
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PyLCP example error
Hello Malte, Sorry for the delayed reply. Thank you for finding the error in the example code. I'
5/18/23
bappaditya sankhari
5/5/23
Generation of laserbeam kvec in arbitrary direction
Hi, I am exploring this brilliantly written Python package pylcp and trying to learn how to make
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Generation of laserbeam kvec in arbitrary direction
Hi, I am exploring this brilliantly written Python package pylcp and trying to learn how to make
5/5/23
lei xu
,
Eckel, Stephen P. (Fed)
2
4/24/23
Problem with \(F=2 \rightarrow F'=3\) 1D molasses
Hello Lei, Yes. Gamma is the spontaneous emission rate of the excited manifold, which is presumed to
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Problem with \(F=2 \rightarrow F'=3\) 1D molasses
Hello Lei, Yes. Gamma is the spontaneous emission rate of the excited manifold, which is presumed to
4/24/23
Louis
,
Barker, Daniel S. (Fed)
6
4/19/23
hyperfine coefficient
Hi L., That's correct (at least for bosons). If you want to simulate a fermion, then significant
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hyperfine coefficient
Hi L., That's correct (at least for bosons). If you want to simulate a fermion, then significant
4/19/23
Louis
,
Barker, Daniel S. (Fed)
4
4/19/23
Capture velocity
Dear Daniel, Thank you very much for all your help! After going through the literature I checked my
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Capture velocity
Dear Daniel, Thank you very much for all your help! After going through the literature I checked my
4/19/23
Louis
,
Barker, Daniel S. (Fed)
2
4/17/23
OBE units used
Hi L., I hope to have a response to each of your questions today. Just to check, I've also
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OBE units used
Hi L., I hope to have a response to each of your questions today. Just to check, I've also
4/17/23
R.K.B. Bause
,
Eckel, Stephen P. (Fed)
2
3/29/23
Definition of basis in XFmolecules
Hi Roman, You are correct, the Xbasis does not correspond to the eigenstates of H0_X. The Xbasis
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Definition of basis in XFmolecules
Hi Roman, You are correct, the Xbasis does not correspond to the eigenstates of H0_X. The Xbasis
3/29/23
Jorge Mellado
,
Eckel, Stephen P. (Fed)
2
1/24/23
Branching ratio
Hi Jorge, The easiest way to incorporate the branching ratios is to use relative decay rates between
unread,
Branching ratio
Hi Jorge, The easiest way to incorporate the branching ratios is to use relative decay rates between
1/24/23
Sheng-wey Chiow
,
Barker, Daniel S. (Fed)
3
12/20/22
'DOP853' in solve_ivp_random
Thanks, Daniel. Divergence of probability using default settings was the reason for trying other
unread,
'DOP853' in solve_ivp_random
Thanks, Daniel. Divergence of probability using default settings was the reason for trying other
12/20/22
omar moutamani
, …
Barker, Daniel S. (Fed)
4
11/16/22
Mixtures and Dual Species
Hi Omar, Pylcp should work for you in that case. You'll just have to update the level structure/
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Mixtures and Dual Species
Hi Omar, Pylcp should work for you in that case. You'll just have to update the level structure/
11/16/22
Vladimir Schkolnik
, …
Eckel, Stephen P. (Fed)
4
11/14/22
2D MOT with a thermal source
Hi Manuel, Sorry for the confusing notation. It's unfortunate that we use the same variable names
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2D MOT with a thermal source
Hi Manuel, Sorry for the confusing notation. It's unfortunate that we use the same variable names
11/14/22