Collapse of the wavefunction

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When was the World Created?

There is a dispute in the Talmud as to when the world was created. According to Rabbi Eliezer, the world was created in the month of Tishrei, the seventh month of the Jewish calendar when we celebrate the Jewish New Year, Rosh HaShanah. According to Rabbi Yehoshua, the world was created in the first month of the year, the month of Nisan (Talmud, tr. Rosh HaShanah, 10b). The Hassidic thought attempts to reconcile these opposite opinions, suggesting that both opinions are correct—the world was created in Nisan in thought, whereas in deed, it was created in Tishrei. The problem with this approach is that for halakhic (Jewish ritual law) purposes of calculating the Jewish calendar, the planets are deemed to have commenced their heavenly orbits in Nisan, not in Tishrei. How could planets that [...]

By |2024-04-09T15:56:17-04:00January 25th, 2016|Age of the Universe, Collapse of the wavefunction, Cosmology, Creation, Rosh Chodesh, Superposition, Uncategorized, Wavefunction|6 Comments
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Fig of Rabbi Akiva

What came first, the Schrödinger cat or the fig of Rabbi Akiva? You be the judge. Today we present a guest post by Rabbi Dr. David Kagan. Fig of Rabbi Akiva By Rabbi David Kagan, Ph.D. If Trumah (Trumah is a tithe separated from produce and given to a priest (Kohen) to be eaten with strict laws of purity) is mixed into ordinary food (chulin), and if the ratio of trumah to chulin  is less than 1:100, the Trumah is nullified (batel) and the mixture may be eaten as ordinary food. (The law of nullification, bitul, applies to mixtures of two types of food – one being forbidden one allowed. With certain ratios, the minority is nullified and it has the same status as the majority. For example, if some non-kosher food was mixed [...]

By |2019-03-17T16:12:11-04:00June 21st, 2015|Collapse of the wavefunction, Deuteronomy, Devarim, Quantum Theory, Superposition, Uncategorized|0 Comments
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Septuagint—Collapsing the Wave-function of the Torah

Today is the eighth day of the month of Tevet. On the 8th of Tevet of the Jewish year 3515 (246 BCE), the Torah was translated into Greek. In the ancient times, this day was commemorated by fast. Seventy sages translated the Torah into Greek for King Ptolemy. That day was as difficult for the people of Israel as the day on which the [Golden] Calf was made; for the Torah could not be fully translated. (Babylonian Talmud, Tr. Sefer Torah, 1:8) Why does the Talmud compare translation of Torah into Greek to the tragedy of Golden Calf that brought terrible retribution the consequence of which we still suffer today? According to Medrash Tanchuma, Moses translated Torah into seventy languages before Jews crossed Jordan river on the way to the Promised land. Moreover, [...]

By |2014-12-30T19:52:29-05:00December 30th, 2014|Collapse of the wavefunction, Pentateuch (Chumash), Uncategorized|1 Comment
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On Tzimtzum, Sefirot and Cardinal Numbers

Today is Yud Tes Kislev -- Rosh HaShanah of Chasidut. Today I received two gifts, which I'd like to share. Lately, while learning Samach Vov, I've been struggling to understand the meaning of Sefirot Ein Keitz. Today, during shacharis shemone esreh, it donned upon me that the literal meaning of Sefirot Ein Keitz is infinite numbers. I suddenly realized that while Sefirot after the Tzimtzum are ordinary numbers, Sefirot before Tzimtzum—Sefirot Ein Keitz—are cardinal numbers developed by the mathematician Georg Cantor at the end of the 19 c. Later during the day, I got the second epiphany that Tzimtzum is the collapse of the universal wavefunction describing the creation. Before Tzimtzum, all creations were in the state of "yecholot" -- potentialities. After the Tzimtzum, i.e., after the collapse of the wavefuction, these potentialities actualized in specific [...]

By |2016-01-24T12:30:41-05:00December 11th, 2014|Collapse of the wavefunction, Creation, Mathematics, Quantum Theory, Superposition, Uncategorized, Wavefunction, Wavefunction of G‑d|1 Comment
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Schrödinger May Have Been Born Today

A man once came to a rabbi with said news – his cat just died. Rabbi politely expressed his sympathy to the owner of the deceased cat. He thanked the rabbi and asked if he could say kaddish (memorial prayer) for his cat. Rabbi was taken aback – a kaddish for a cat?! This is sacrilege! The man offered to donate to the synagogue a thousand dollars, if the rabbi would allow him to say kaddish for his cat, but to no avail. He offered two thousand, five thousand, but rabbi was unmoved. When the man finally offered ten thousand dollars, the rabbi exclaimed, “Why didn’t you tell me your cat was Jewish?!” Ervin Schrödinger I am not sure if the cat in this old Jewish joke was Jewish, but the [...]

By |2014-08-10T17:21:35-04:00August 12th, 2014|Collapse of the wavefunction, Quantum Theory, Superposition, Uncategorized, Wavefunction|0 Comments
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Phinehas – the Slayer of Uncertainty

A strange episode at the end of the last Torah portion, Balak, where Phinehas (Pinchas) slain a Jewish prince caught in the act with a heathen woman, is rewarded in this week’s eponymous Torah portion with the priesthood.  This begs the question, what is the connection between the act of zealotry by Phinehas and the reward of priesthood he receives for it? By way of background, as we read in the previous Torah portion, the evil king, Balak, fails to bring a curse on the Jewish people by Balaam (Bilam).  According to Midrash, Balaam advises Balak to send most beautiful Midian women to seduce Jewish men (see Flavius Josephus's Antiquities of the Jews, Book IV, Chapter VI, Paragraphs 6-12). Balak heads the advice and uses Moabite and Midianite women to seduce Jewish men [...]

By |2019-07-22T22:52:15-04:00July 11th, 2014|Collapse of the wavefunction, Entanglement, Numbers, Parshah, Pentateuch (Chumash), Pinchas, Superposition, Uncategorized|0 Comments
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Secrets of the Talking Ass

And G‑d opened the mouth of the ass, and she said to Bilam: "What have I done to you, that you have struck me these three times?" And Bilam said to the ass: "Because you have mocked me; I would there were a sword in my hand, for now I would kill you." And the ass said to Bilam: "Am not I your ass, upon which you have ridden all your life to this day? Was I ever wont to do so to you?" And he said, "No." Num. 22:28-30 Despite the simple dialogue between Balaam (Bilam) and his ass in the Torah portion of Balak, this ass was no ordinary ass. This ass saw an angel where a prophet as great as her owner, Balaam, did not. It stands to reason that [...]

By |2017-07-07T16:33:28-04:00July 6th, 2014|Balak, Bamitbar, Collapse of the wavefunction, Creation, Dreams, Numbers, Parshah, Pentateuch (Chumash), Quantum Theory, Shabbat, Superposition, Uncategorized, Wavefunction|1 Comment
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G‑d Collapses Sotah’s Wave Function

The story of Sotah, a suspected adulteress, is very troubling on the first blush. Why would a woman be subjected to such humiliation?  The Lubavitcher Rebbe, Rabbi Menachem Mendel Schneerson, points out that, to the contrary, the story of Sotah is the story of the boundless love of the Creator for his people. Notwithstanding the strict Biblical prohibition of erasing G‑d’s name, to vindicate the wrongly accused woman, G‑d allows and, indeed, decrees to erase His holy Name by dissolving the scriptural verses written on a parchment in the water that the woman would drink to clear her name. For as long as a woman is being suspected of infidelity, she cannot be intimate with her husband.  It takes a Divine intervention, whereby G‑d sacrifices His honor in allowing erasing His holy Name, [...]

By |2020-05-24T16:51:13-04:00June 1st, 2014|Bamitbar, Collapse of the wavefunction, Entanglement, G‑d, Husband and wife, Names of G‑d, Naso, Numbers, Parshah, Pentateuch (Chumash), Quantum Theory, Superposition, Tanakh, Wavefunction, Witnesses|1 Comment
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Suspected Adulteress as a Schrödinger Cat

In quantum mechanics, the state of a physical system is described by the so-called wave function (or the "wavefunction"). All attempts by Schrödinger, who first introduced the wave function, and others to interpret it as a scalar potential of some physical field, or as the de Broglie wave (as in particle-wave dualism) were not successful. In 1926, Max Born noticed that the squared amplitude of the wavefunction of a particle in a given region gives the probability of finding the particle in this region. He suggested that the wavefunction represented not a physical reality but rather our knowledge of the quantum state of an object. The wave function represents our knowledge of all possible quantum-mechanical states of an object and their probabilities. In other words, the quantum-mechanical state of a physical system is [...]

By |2020-05-24T16:41:26-04:00May 30th, 2014|Bamitbar, Collapse of the wavefunction, Entanglement, Husband and wife, Naso, Numbers, Parshah, Pentateuch (Chumash), Quantum Theory, Shavuot, Superposition, Uncategorized, Wavefunction|2 Comments
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Second Adar – The Month of Quantum Physics

Today is Rosh Chodesh Adar Bet – the New Moon and the beginning of the second month of Adar.  If we ever to have a month commemorating quantum physics, there would be no more appropriate month for that than the second month of Adar – Adar Bet.  A state of superposition is a physical state unique to quantum theory.  In classical physics (such as Newtonian mechanics or thermodynamics) a physical system is either in one state or the other, say in a state A or a state B. Only in quantum physics a system can be in a blended state C which is a linear superposition of states A and B. For example, the spin of an electron can be either Up or Down.  However, an electron can be in a blurred state of [...]

By |2019-03-07T13:39:00-05:00March 3rd, 2014|Atomic Theory, Collapse of the wavefunction, Entanglement, G‑d, Names of G‑d, Purim, Quantum Theory, Randomness, Rosh Chodesh, Superposition, Time, Uncategorized, Uncertainty Principle|1 Comment
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