Invarianz - member profile on Timmy

Invarianz

Bavarian

PhD student in physics

Joined 2021-12-21T16:30:46Z
Last seen 2022-06-15T14:59:58Z

LAST 24 HRS

0 min

LAST WEEK

0 min

LAST 30 DAYS

0 min

ALL TIME

29 hr 55 min

started 90m timer 2022-04-14T14:32:55Z

Plan: Discussion with my Postdoc + more analytics
finished 30m timer 2022-04-14T11:32:03Z

Plan: Solve the intraband problem
Result: There is an error in the integration.

Feeling:
finished 15m timer 2022-04-14T08:03:27Z

Plan: Some more analytics.
Result: Found an integration trick for the temperature dependence.

Feeling:
finished 30m timer 2022-04-13T12:28:02Z

Plan: Complete the integral and see if it is analytically solvable.
Result: The integral seems to be solvable. Need to get a symbolic maths program working.

Feeling:

Liked by

DeterminedAF
finished 30m timer 2022-04-13T11:23:14Z

Plan: Working on the intraband terms.
Result: Crushing it today. Love you all <3

Feeling:
finished 30m timer 2022-04-13T09:19:42Z

Plan: Further replacements in the notation
Result: Corrected all interband terms. Now need to complete the calculation for intraband terms.

Feeling:

Liked by

ChaoticGood
finished 25m timer 2022-04-13T07:41:04Z

Plan: Continue rewrite
Result: Discussion about units, everything looks fine.

Feeling:
finished 30m timer 2022-04-13T07:02:22Z

Plan: Incorporate changes in notation into PhD script.
Result: Rewriting goes forward.

Feeling:
finished 30m timer 2022-04-13T05:52:29Z

Plan: Let's goooo finally get the units right.
Result: Interrupted

Feeling:
finished 30m timer 2022-04-12T13:23:36Z

Plan: See how to define the time in the conductivity to make it the same units as the energy.
Result: Wow this is hard today. I need more focus.

Feeling:
finished 30m timer 2022-04-12T12:29:58Z

Plan: Using realistic value for the conductivity to see how it behaves in real systems.
Result: On the way, feeling super tense.

Feeling:

Liked by

studying
finished 30m timer 2022-04-12T11:58:55Z

Plan: Finding the zero division error.
Result: -

Feeling:
finished 30m timer 2022-04-04T13:38:37Z

Plan: Getting arccot in sympy, lambdifying it and looking at the complete conductivity structure.
Result: Some error with zero division. Can't seem to find it now. Next session.

Feeling:

Liked by

QueenBreeze
finished 30m timer 2022-04-04T08:49:49Z

Plan: Working on the 3D plotting script.
Result: Went well, let's go to finalize this.

Feeling:

Liked by

remus
finished 25m timer 2022-04-04T07:18:15Z

Plan: Get the script working to see the Conductivity in 3D.
Result: Got distracted but the 3D plots are working.

Feeling:

Liked by

mironchus
finished 25m timer 2022-04-04T06:22:37Z

Plan: Completing the Appendix
Result: Completed the equation in the Appendix and started writing the script to visualize the conductivity in 3D.

Feeling:

Liked by

mironchus

remus
finished 30m timer 2022-04-04T05:56:34Z

Plan: Still assembling the solutions
Result: Distracted

Feeling:

Liked by

danica

ChaoticGood

remus
finished 25m timer 2022-03-31T08:42:56Z

Plan: Assemble full conductivity from intra- and interband terms.
Result: Wasted a lot of time on unimportant issues. Python errors etc..

Feeling:

Liked by

ChaoticGood
finished 25m timer 2022-03-31T06:55:02Z

Plan: Find agreement between hand written notes and Mathematica results. Afterwards write a script to visualize conductivity
Result: On the way to include the thermal dependence to the conductivity. Next step is the script.

Feeling:

Liked by

remus

ChaoticGood
finished 15m timer 2022-03-31T06:22:04Z

Plan: Get an overview of the results gained yesterday and complete the LaTeX formula.
Result: Back into calculations. Making progress.

Feeling:

Liked by

danica

ChaoticGood
finished 30m timer 2022-03-30T14:05:10Z

Plan: Checking analytical conductivity against numerical results.
Result: Just some minor sign mistake, should be easy to find.

Feeling:

Liked by

ChaoticGood
finished 30m timer 2022-03-30T12:43:57Z

Plan: Continue integral
Result: Found the solution in terms of logarithms.

Feeling:
finished 30m timer 2022-03-30T11:34:21Z

Plan: Find the logarithm solution of the integral, then try to find a solution with Cauchys Residua theorem.
Result: The integral is quite difficult but I'll manage.

Feeling:

Liked by

ChaoticGood
finished 30m timer 2022-03-28T15:33:51Z

Plan: Complete the integral. Understand the branch cuts in the logarithm and how the singularities affect the result.
Result: Still hustling.

Feeling:

Liked by

ChaoticGood
finished 30m timer 2022-03-28T14:11:09Z

Plan: Find the value of the integral. Consider residuals.
Result: The integral is nastier than I first thought. Need to figure out the conditional expression for the residuals.

Feeling:

Liked by

md7

danica

ChaoticGood
finished 30m timer 2022-03-28T13:27:24Z

Plan: Get back to work. Got super distracted by other duties and talking to my office mate. Back to the PhD thesis.
Result: Got done with the Sommerfeld expansion part. Now continuing to the integral.

Feeling:

Liked by

TimmyCube2

ChaoticGood
finished 25m timer 2022-03-28T08:15:11Z

Plan: Further working on integrals.
Result: Slow but steady progress.

Feeling:

Liked by

ChaoticGood
finished 25m timer 2022-03-28T06:58:59Z

Plan: Finish Appendix on Sommerfeld expansion and complete the conductivity integral.
Result: Working on the Appendix, got a couple of equations done.

Feeling:

Liked by

ChaoticGood
finished 30m timer 2022-03-24T08:35:23Z

Plan: Continue writing done all equations in LaTeX document.
Result: Roughly 1/3 through writing down everything. Feel super dedicated to finishing this today.

Feeling:

Liked by

ChaoticGood
finished 25m timer 2022-03-24T07:58:58Z

Plan: Sommerfeld expansion is waiting for me <3
Result: Writing, the text will be done today, afterwards more comparisons between densities.

Feeling:
finished 30m timer 2022-03-23T16:54:06Z

Plan: Some more writing.
Result: Went well, underestimated the amount I need to write.

Feeling:

Liked by

eve
finished 25m timer 2022-03-23T14:49:21Z

Plan: Continuing with the Appendix.
Result: Going well

Feeling:

Liked by

remus

eve
finished 30m timer 2022-03-23T08:51:43Z

Plan: Continue work on Sommerfelds expansion and find literature reference.
Result: Found a good reference. Need to iron out a couple of referencing warnings before continuing.

Feeling:
finished 30m timer 2022-03-23T08:10:24Z

Plan: Continue writing the Appendix on Sommerfelds expansion.
Result: Got started with the Appendix. Need to find a proper literature reference for Sommerfeld expansion.

Feeling:

Liked by

ChaoticGood
finished 55m timer 2022-03-22T16:19:23Z

Plan: Write Sommerfeld expansion in PhD document.
Result: Went good, checking all units to make sure it is right.

Feeling:

Liked by

ChaoticGood
finished 30m timer 2022-03-22T15:22:16Z

Plan: Going to write the Sommerfeld expansion currents into the thesis and adding an Appendix explaining the expansion technique.
Result: Checked the initial current equations for errors and found none. Next step is writing the Sommerfeld expansion in LaTeX

Feeling:

Liked by

ChaoticGood
finished 25m timer 2022-03-22T13:48:31Z

Plan: Finish the Sommerfeld expansion in the densities and test the result against numerics.
Result: I remember what the problem was. Going to work on it in the next session.

Feeling:

Liked by

remus

md7
finished 25m timer 2022-03-22T12:16:08Z

Plan: First short timer, completing the chapter now.
Result: Ended the chapter. Super tired after lunch.

Feeling:

Liked by

remus
finished 55m timer 2022-03-21T16:37:53Z

Plan: Finish the chapter on emission.
Result: Looks good

Feeling:

Liked by

eve
finished 55m timer 2022-03-21T13:30:31Z

Plan: Find the last missing unit normalization before moving onto Sommerfeld expansion.
Result: Found the unit mistake. I need an additional volume norm in the current operator integral.

Feeling:

Liked by

ChaoticGood
finished 55m timer 2022-03-21T11:59:12Z

Plan: Complete the code introduction of the full emission. Proceed to finish the Sommerfeld expansion integrals.
Result: Found another mistake in the units.

Feeling:

Liked by

ChaoticGood
finished 55m timer 2022-03-18T16:14:18Z

Plan: Read Burgdörfer Paper about the importance of the laser spot.
Result: The paper does not say much about the real size of the laser spot. However, the argument of long wave lengths still holds.

Feeling:

Liked by

ChaoticGood

study1ng

eve
finished 30m timer 2022-03-18T13:31:24Z

Plan: There is a problem regarding sample size and wave length. Somehow need to strike the argument of small unit cells compared to sample size.
Result: Understood that wavelength of the pulse is much bigger than I thought and that our sample sizes are quite sufficient.

Feeling:

Liked by

ChaoticGood
finished 55m timer 2022-03-18T10:06:24Z

Plan: Completing the wave length approximation for the emission spectrum.
Result: Was a bit distracted and still working on the problem.

Feeling:

Liked by

ChaoticGood
finished 55m timer 2022-03-17T20:31:51Z

Plan: Find out how a momentum derivative leads to a crystal momentum derivative in terms of units.
Result: \hbar was missing in the paper definition due to atomic units. Units are the same!

Feeling:

Liked by

TimmyCube2

Rexvir007

eve
finished 55m timer 2022-03-17T16:05:06Z

Plan: Finish the unit equivalence problem with the relativistic emission.
Result: Understood that time dependent currents still have the right units. Something is weird when going from momentum to crystal momentum.

Feeling:

Liked by

eve
finished 55m timer 2022-03-17T14:46:41Z

Plan: Determine units of emission from Jans paper
Result: I got one step closer to finding the right units and discussed transport physics with a colleague.

Feeling:

Liked by

ChaoticGood

md7

eve
finished 55m timer 2022-01-03T23:55:25Z

Plan: Find sign error (PhD)
Result: Found the sign error in thesis!

Feeling:

Liked by

Sealion
finished 55m timer 2021-12-23T00:20:01Z

Plan: Comparing Fourier Transformed Densities (PhD)
Result: Not much progress, was caught up with vim..

Feeling:

Liked by

Barre

GeekLady113
finished 55m timer 2021-12-21T21:34:07Z

Plan: Still comparing Fourier Transforms (PhD)
Result: Found the error in the Fourier transform (wrong unit conversion) (PhD)

Feeling:

Liked by

eve

Barre