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[2026-08-29] · src Kleebank, Vewinger, Camacho-Guardian, Romero-Rochín, Paredes, Weitz, Schmitt (Bonn/Heidelberg/UNAM); Science Advances (2026); arXiv:2511.14754
Photons confined to a dye-filled microcavity thermalize by radiative contact with the dye molecules rather than by colliding with each other, so the resulting two-dimensional photon gas condenses with negligible interaction between particles - and had been predicted for over a decade to belong to a distinct "ideal Bose gas" universality class, never confirmed experimentally because every previous BEC critical-exponent measurement used an interacting gas and landed in the XY (lambda-transition) class instead. This group measured the spatial correlations of such a photon gas as it approached condensation and extracted the critical exponent governing the divergence of the correlation length: nu = 0.52(3), the first experimental test of the ideal-Bose-gas scaling prediction, as distinct from the well-established interacting-gas value of nu ~ 0.6717.
This is a single measurement in one apparatus, and the paper does not yet test the other exponents (specific heat, condensate fraction) that would pin down the full universality class rather than one number from it. What it does establish is that "ideal Bose gas critical behavior" is not just a theoretical idealization - it is measurably distinct from every interacting condensate transition physics has characterized so far, using a system (photons thermalized by a reservoir rather than by mutual collision) that has no atomic-BEC equivalent. That gives critical-phenomena theory a genuine second data point at zero interaction strength, rather than one class measured many times over.
[2026-08-29] · src CMS Collaboration; arXiv:2608.18256 (2026)
CMS measured the transverse-momentum spectra of K0S mesons and Lambda baryons in oxygen-oxygen collisions at sqrt(s_NN) = 5.36 TeV (6.8 nb-1), against a proton-proton baseline at the same energy (1.1 pb-1). The K0S spectrum is modified relative to pp in line with inclusive charged hadrons, but the Lambda-to-K0S cross-section ratio is enhanced over the pp baseline in the intermediate-momentum range (2.3-5.2 GeV/c), with the excess reaching 5.0-6.3 standard deviations depending on the momentum bin - the first observation of this baryon-over-meson enhancement, a signature previously recorded only in heavy nucleus-nucleus systems such as Pb-Pb, in a light collision system.
Baryon-over-meson enhancement at intermediate momentum is the standard signature of quark recombination from a locally thermalized, deconfined medium, so seeing it in oxygen-oxygen sharpens rather than settles the question of how small a droplet of quark-gluon plasma can be and still show collective behavior. It complements, rather than duplicates, the parton-energy-loss results all four LHC experiments reported for the same oxygen and neon runs on 2026-07-24: that was the energy-loss side of small- system QGP, this is the recombination side. Neither result rules out the competing explanation debated for small systems generally - that apparent collectivity arises from initial-state momentum correlations without a genuine hydrodynamic medium - and the paper does not claim to settle that debate.
[2026-08-29] · src Di Luca, Hajigeorgiou, Ma, Waldherr, Watanabe, Taniguchi, Banerjee (EPFL); arXiv:2608.27444 (2026)
Using a gate-defined antidot in bilayer graphene - an electrostatically isolated island whose coupling to the surrounding two-dimensional electron gas can be tuned by a separate gate - this group measured the charge of quasiparticles trapped around the antidot at three even-denominator fractional quantum Hall filling factors: nu = -5/2, -1/2 and 3/2. All three showed a localized charge of e/4, the minimal excitation predicted for the leading non-Abelian candidate ground states at these fillings, while the hole-conjugate state nu = 2/3 showed the expected e/3. Raising the coupling between the antidot-bound states and the extended edge states produced a crossover to roughly twice the minimal gate-voltage period, which the authors attribute to either quasiparticle bunching or a change of transport regime, without settling between the two.
Fractional charge alone does not prove non-Abelian statistics - braiding is the real signature, and this paper does not attempt it - but the charge value narrows which candidate ground states remain viable, and trapping individual quasiparticles at a gate-defined antidot rather than only inferring their properties from bulk transport or interferometry is the precondition for ever attempting a braiding measurement at all. That is the more durable result here: this system now has a demonstrated way to localize and individually address the excitations a topological qubit would need to manipulate, whatever the eventual verdict on their statistics.
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[2026-08-29] · src —
Tomorrow, Monday 2026-08-31, is a good day for it: sunny, ~89°F/71°F, calm wind, 0% chance of rain, sunrise 7:03am and sunset 8:01pm (NWS Greenville-Spartanburg; forecast) — no storm risk and over 12 hours of daylight, so timing is about your own morning, not the weather. Surface water is in the 70s-80s°F, but Jocassee is a deep, stratified reservoir, so it's noticeably colder a few feet down; sun is strong at elevation (UV 8-10 typical), so sunscreen and a hat matter more than the air temperature suggests.
10:00 wake; 10:00–10:30 breakfast and fill the cooler; 10:30–11:00 load the kayaks and gear (see packing list below) — that's a generous 30 minutes for two boats, tighter if you're doing it solo; depart by 11:00. Drive time from wherever you're starting isn't something I can fix without a starting point, so add your own drive time to Devils Fork State Park from the map link below and that sets your actual arrival; with an 11:00 departure and a lake that stays calm and sunny past 8pm, you have slack even for a two-hour-plus drive.
Devils Fork State Park (Salem, SC) is the only public access to Lake Jocassee — the rest of the shoreline is Duke Energy watershed and Jocassee Gorges wilderness with no public road access. Use the park's dedicated hand-launch lane (one lane, small paved lot) rather than the main trailer boat ramp, which four ramps' worth of pontoons and power boats keep busy on summer days; there's also a calmer carry-in beach on the Bear Cove Trail if the hand-launch lot is full. Day-use admission is $8/adult, required to launch anything, park open ~7am–9pm. If you didn't bring boats, Eclectic Sun, the on-site concessionaire, rents kayaks, canoes, and SUPs.
worth paddling to if you have the legs for it: Laurel Fork Falls (an 80-ft, three-tiered waterfall on the NE arm, boat-access only) or Wright Creek Falls on the west side; the Whitewater River arm gets you close enough to see Whitewater Falls' final drop into the lake.
Jocassee Valley Brewing Company in Salem (~5 min from the park) for the least effort — casual brewery pub food, dog- friendly patio. For something heartier, The Porkette in Pickens (~25–30 min) does Texas-style smoked BBQ. For a sit-down table, Dakota Grill in Walhalla or Tony's Restaurant in Pickens (both ~25 min) are both established, non-rushed options roughly on the way back toward the highway.
PFDs and a spare paddle; the $8/adult park fee in cash or card; tie-downs/straps if the kayaks ride on a roof rack; a dry bag for phone, keys, and wallet (a waterproof phone case if you're bringing it on the water); sunscreen and a hat — the UV exposure on open water is higher than it looks; sunglasses with a retainer strap; drinking water and snacks/lunch, since there's no food on the lake itself; a change of clothes and shoes for after; water shoes or sandals with a heel strap for the launch; a small first-aid kit; a whistle (SC requires one aboard a paddle craft); trash bag to pack out what you bring in.
The one thing I couldn't fix without more information is your starting point, so the schedule above is anchored to your wake-up time rather than a clock time for departure — plug your own address into the Devils Fork map link to get a drive time and back into a firm "leave by."
The binding constraint on a trip like this is daylight and weather, not effort, and tomorrow has plenty of both — the plan above is really just sequencing (load, drive, launch, paddle, eat) against a day that doesn't force any hard cutoffs. The one piece worth rechecking close to departure is the forecast itself: this is a next-day NWS point forecast, reliable but not locked in, so a five-minute check of weather.gov/gsp before you load the car is cheap insurance against a plan built on today's read of tomorrow.
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[2026-08-29] · src —
Alto takes today's slot — three days since its last session is the longest gap of the three instruments right now, and trumpet went yesterday, so the two chops-dependent instruments don't both land back to back. With no method book chosen yet, the assignment stays inside the brief's placeholder: long tones, overtones, a scale pattern, nothing invented. Today's fundamental is low C♯, the one note left unvisited inside the B♭-to-E♭ span this survey has worked through since 08-11 — closing that gap before pushing the range any further.
5 minutes: long tones on low C♯ and low D, four counts steady at f then a controlled taper to nothing over the next four counts, quarter=60, eight full counts per note. The target is a decay that stays centered in pitch all the way to silence rather than going flat or breathy as the air runs out — a different half of breath control than either the swell or the held tone the last two sessions drilled.
Overtone series from fundamental low C♯: voice up through C♯–C♯–G♯–C♯–F using only the low C♯ fingering, changing partials with throat and voicing, not embouchure — the same method as the last three sessions, closing out the survey's last gap. Success criterion: three clean ascents in a row, each partial speaking immediately at a steady dynamic, no pinch or pitch smear at the change, and the fundamental still centered after dropping back down each time.
Db major scale, one octave, in broken triads (1-3-5, 2-4-6, 3-5-7...) rather than the fourths, whole-tone or broken-thirds patterns of the last three sessions — each group outlines a full triad instead of stepping through an interval, so the ear has to hear harmony rather than a scale shape. Shape it as a phrase: lean into the top note of each triad, taper into the next group, rather than playing the pattern metronomically.
Stop the moment the diminuendo starts going flat or breathy instead of staying centered to the end, or an overtone needs a jaw shove or throat squeeze to speak — both are fatigue standing in for support, and reps past that point train the substitute instead of the real thing.
[2026-08-29] · src —
hearCharlie Parker Quartet — Confirmation (Now's The Time) · Tidal · Spotify
"Confirmation" is Parker's own composition and one of the clearest cases of a bebop head built almost entirely from broken triads at speed — the same shape today's musical target is asking a single octave to outline slowly. This is the July 1953 studio quartet take, with Al Haig, Percy Heath and Max Roach, recorded a few years after the tune had already circulated on the bandstand. Listen for how the triad shapes keep their outline even at tempo, landing as harmony rather than as a run of notes — the thing the stop-tempo version of the exercise is rehearsing toward.